CWE
1284
Advisory Published
Updated

CVE-2022-46143

First published: Tue Dec 13 2022(Updated: )

Affected devices do not check the TFTP blocksize correctly. This could allow an authenticated attacker to read from an uninitialized buffer that potentially contains previously allocated data.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
All of
Siemens Ruggedcom RM1224 LTE(4G) EU Firmware
Siemens Ruggedcom RM1224 LTE(4G) EU
All of
Siemens Ruggedcom RM1224 LTE (4G) NAM Firmware
Siemens Ruggedcom RM1224 LTE (4G) NAM
All of
siemens scalance m804pb firmware
Siemens SCALANCE M804PB
All of
Siemens Scalance M812-1 ADSL Router
Siemens Scalance M812-1 ADSL-Router Firmware
All of
Siemens Scalance M816-1 ADSL Router
Siemens Scalance M816-1 ADSL-Router Firmware
All of
Siemens Scalance M826-2 SHDSL-Router Firmware
Siemens Scalance M826-2 SHDSL-Router Firmware
All of
siemens scalance m874-2 firmware
siemens scalance m874-2
All of
siemens scalance m874-3 firmware
Siemens SCALANCE M874-3
All of
siemens scalance m876-3 firmware
siemens scalance m876-3
All of
siemens scalance m876-4 firmware
Siemens SCALANCE M876-4 (EU) Firmware
All of
Siemens Scalance MUM853-1 Firmware
Siemens Scalance MUM853-1 Firmware
All of
Siemens SCALANCE MUM856-1 (EU) Firmware
Siemens SCALANCE MUM856-1
All of
Siemens Scalance S615 Firmware
Siemens SCALANCE S615 firmware
All of
Siemens SCALANCE S615 EEC LAN-Router firmware
Siemens Scalance S615 EEC Firmware
All of
Siemens Scalance SC622-2C Firmware<2.3
Siemens Scalance SC622-2C
All of
Siemens Scalance SC626-2C<2.3
Siemens Scalance SC626-2C Firmware
All of
Siemens Scalance SC632-2C Firmware<2.3
Siemens Scalance SC632-2C
All of
Siemens Scalance SC636-2C<2.3
Siemens Scalance SC636-2C
All of
Siemens Scalance SC642-2C<2.3
Siemens Scalance SC642-2C Firmware
All of
Siemens Scalance SC646-2C Firmware<2.3
siemens scalance sc646-2c firmware
All of
Siemens SCALANCE W721-1 RJ45
Siemens SCALANCE W721-1 RJ45
All of
Siemens Scalance W722-1 RJ45
Siemens Scalance W722-1
All of
Siemens SCALANCE W734-1 RJ45
Siemens SCALANCE W734-1 RJ45 Firmware
All of
Siemens SCALANCE W738-1 M12
Siemens Scalance W738-1
All of
Siemens Scalance W748-1 M12
Siemens SCALANCE W748-1 M12 Firmware
All of
Siemens SCALANCE W761-1 Firmware
Siemens Scalance W761-1
All of
Siemens SCALANCE W774-1 M12 EEC
Siemens Scalance W774-1
All of
Siemens Scalance W774-1 M12 RJ45
Siemens Scalance W774-1 M12 RJ45
All of
Siemens SCALANCE W774-1 RJ45
Siemens Scalance W774-1
All of
Siemens SCALANCE W778-1 M12 EEC Firmware
Siemens Scalance W778-1 M12
All of
Siemens SCALANCE W778-1 M12 EEC
Siemens SCALANCE W778-1 M12 EEC
All of
Siemens Scalance W786-1 RJ45
Siemens Scalance W786-1
All of
Siemens Scalance W786-2 RJ45
Siemens Scalance W786-2
All of
Siemens SCALANCE W786-2 SFP
Siemens Scalance W786-2
All of
Siemens SCALANCE W786-2 SFP
Siemens SCALANCE W786-2IA RJ45 Firmware
All of
Siemens SCALANCE W788-1 Firmware
Siemens Scalance W788-1 M12
All of
Siemens Scalance W788-1 RJ45
Siemens Scalance W788-1 RJ45 Firmware
All of
Siemens Scalance W788-2 M12
Siemens Scalance W788-2 M12
All of
Siemens Scalance W788-2 M12 EEC
Siemens Scalance W788-2 M12
All of
Siemens Scalance W1748-1 Firmware
Siemens Scalance W1748-1 M12 Firmware
All of
Siemens SCALANCE W1788-1 M12 Firmware
Siemens SCALANCE W1788-1 M12 Firmware
All of
Siemens Scalance W1788-2 EEC M12
Siemens Scalance W1788-2
All of
Siemens Scalance W1788-2 Firmware
Siemens Scalance W1788-2 Firmware
All of
Siemens Scalance W1788-2IA M12
Siemens Scalance W1788-2IA
All of
Siemens Scalance WAM763-1
Siemens SCALANCE WAM763-1
All of
Siemens SCALANCE WAM766-1 ECC Firmware
Siemens Scalance WAM766-1 6GHz
All of
Siemens Scalance WAM766-1
Siemens Scalance WAM766-1
All of
Siemens SCALANCE WAM766-1 Firmware
Siemens Scalance WAM766-1 6GHz
All of
Siemens Scalance WUM763-1
Siemens Scalance WUM763-1 Firmware
All of
Siemens Scalance WUM766-1 6GHz Firmware
Siemens SCALANCE WUM766-1 Firmware
All of
Siemens Scalance WUM766-1
Siemens Scalance WUM766-1
All of
Siemens Scalance XB205-3
Siemens Scalance XB205-3 Firmware
All of
Siemens Scalance XB205-3LD
Siemens Scalance XB205-3
All of
Siemens Scalance XB208
Siemens Scalance XB208
All of
Siemens Scalance XB213-3
Siemens Scalance XB213-3LD Firmware
All of
Siemens Scalance XB213-3LD
Siemens Scalance XB213-3LD Firmware
All of
Siemens Scalance XB216
Siemens Scalance XB216 Firmware
All of
Siemens Scalance XC206-2
Siemens Scalance XC206-2 Firmware
All of
Siemens Scalance XC206-2G PoE EEC
Siemens Scalance XC206-2G PoE Firmware
All of
Siemens Scalance XC206-2G PoE EEC
Siemens Scalance XC206-2G PoE EEC Firmware
All of
Siemens Scalance XC206-2SFP
Siemens Siplus Net Scalance XC206-2SFP
All of
Siemens Scalance XC206-2SFP EEC Firmware
Siemens Scalance XC206-2SFP EEC Firmware
All of
Siemens Scalance XC206-2SFP G (E/IP) Firmware
Siemens Scalance XC206-2SFP G (E/IP)
All of
Siemens Scalance XC206-2SFP G Firmware
Siemens Scalance XC206-2SFP G EEC Firmware
All of
Siemens Siplus Net Scalance XC208 Firmware
Siemens Siplus Net Scalance XC208
All of
Siemens SCALANCE XC208EEC
Siemens SCALANCE XC208EEC
All of
Siemens Scalance XC208 PoE
Siemens Scalance XC208 PoE Firmware
All of
Siemens Scalance XC216EEC Firmware
Siemens SCALANCE XC216-3G PoE (54 V DC)
All of
Siemens SCALANCE XC216-3G PoE
Siemens Scalance XC216-3G PoE Firmware
All of
Siemens Scalance XC216-4C
Siemens Scalance XC216-4C Firmware
All of
Siemens Scalance XC216-4C G (E/IP) Firmware
Siemens Scalance XC216-4C G (E/IP)
All of
Siemens Scalance XC216-4C G EEC
Siemens Scalance XC216-4C Firmware
All of
Siemens Scalance XC216EEC
Siemens Scalance XC216EEC Firmware
All of
Siemens SCALANCE XC224
Siemens SCALANCE XC224-4C G
All of
Siemens Scalance XC224-4C G (E/IP) Firmware
Siemens Scalance XC224-4C G EEC Firmware
All of
Siemens Scalance XC224-4C G EEC
Siemens Scalance XC224-4C G EEC Firmware
All of
Siemens Scalance XF204 Firmware
Siemens Scalance XF204
All of
Siemens Scalance XF204 DNA
Siemens Scalance XF204 DNA
All of
Siemens Scalance XF204-2BA IRT Firmware
Siemens SCALANCE XF204-2BA IRT
All of
Siemens Scalance XF204-2BCA DNA
Siemens Scalance XF204-2BCA DNA Firmware
All of
Siemens Scalance XM408-4C L3 Firmware
Siemens Scalance XM408-4C L3
All of
Siemens Scalance XM408-8C L3
Siemens Scalance XM408-8C Firmware
All of
Siemens SCALANCE XM416-4C L3 Firmware
Siemens Scalance XM416-4C Firmware
All of
Siemens SCALANCE XP208 (Ethernet/IP)
Siemens Scalance XP208 (EIP)
All of
Siemens Scalance XP208EEC
Siemens Scalance XP208EEC Firmware
All of
Siemens SCALANCE XP208PoE EEC
Siemens SCALANCE XP208PoE EEC Firmware
All of
Siemens Scalance XP216 (EIP) Firmware
Siemens Scalance XP216 Firmware
All of
Siemens Scalance XP216EEC
Siemens Scalance XP216EEC Firmware
All of
Siemens Scalance XP216PoE EEC
Siemens Scalance XP216PoE EEC Firmware
All of
Siemens Scalance XR324WG Firmware
Siemens Scalance XR324WG Firmware
All of
Siemens Scalance XR326-2C PoE Firmware
Siemens Scalance XR326-2C POE WG
All of
Siemens Scalance XR326-2C PoE WG Firmware
Siemens Scalance XR326-2C PoE Firmware
All of
Siemens Scalance XR328-4C WG
Siemens SCALANCE XR328-4C WG
All of
siemens scalance xr524-8c firmware
siemens scalance xr524-8c
All of
siemens scalance xr526-8c firmware
siemens scalance xr526-8c
All of
siemens scalance xr528-6m firmware
siemens scalance xr528-6m
All of
Siemens Scalance XR552-12M
Siemens Scalance XR552
All of
Siemens Siplus Net Scalance XC206-2
Siemens Scalance XC206-2
All of
Siemens Scalance XC206-2SFP Firmware
Siemens Siplus Net Scalance XC206-2SFP Firmware
All of
Siemens Siplus Net Scalance XC208
Siemens Siplus Net Scalance XC208 Firmware
All of
Siemens Scalance XC216-4C Firmware
Siemens Scalance XC216-4C
Siemens Ruggedcom RM1224 LTE(4G) EU Firmware
Siemens Ruggedcom RM1224 LTE(4G) EU
Siemens Ruggedcom RM1224 LTE (4G) NAM Firmware
Siemens Ruggedcom RM1224 LTE (4G) NAM
siemens scalance m804pb firmware
Siemens SCALANCE M804PB
Siemens Scalance M812-1 ADSL Router
Siemens Scalance M812-1 ADSL-Router Firmware
Siemens Scalance M816-1 ADSL Router
Siemens Scalance M816-1 ADSL-Router Firmware
Siemens Scalance M826-2 SHDSL-Router Firmware
Siemens Scalance M826-2 SHDSL-Router Firmware
siemens scalance m874-2 firmware
siemens scalance m874-2
siemens scalance m874-3 firmware
Siemens SCALANCE M874-3
siemens scalance m876-3 firmware
siemens scalance m876-3
siemens scalance m876-4 firmware
Siemens SCALANCE M876-4 (EU) Firmware
Siemens Scalance MUM853-1 Firmware
Siemens Scalance MUM853-1 Firmware
Siemens SCALANCE MUM856-1 (EU) Firmware
Siemens SCALANCE MUM856-1
Siemens Scalance S615 Firmware
Siemens SCALANCE S615 firmware
Siemens SCALANCE S615 EEC LAN-Router firmware
Siemens Scalance S615 EEC Firmware
Siemens Scalance SC622-2C Firmware<2.3
Siemens Scalance SC622-2C
Siemens Scalance SC626-2C<2.3
Siemens Scalance SC626-2C Firmware
Siemens Scalance SC632-2C Firmware<2.3
Siemens Scalance SC632-2C
Siemens Scalance SC636-2C<2.3
Siemens Scalance SC636-2C
Siemens Scalance SC642-2C<2.3
Siemens Scalance SC642-2C Firmware
Siemens Scalance SC646-2C Firmware<2.3
siemens scalance sc646-2c firmware
Siemens SCALANCE W721-1 RJ45
Siemens SCALANCE W721-1 RJ45
Siemens Scalance W722-1 RJ45
Siemens Scalance W722-1
Siemens SCALANCE W734-1 RJ45
Siemens SCALANCE W734-1 RJ45 Firmware
Siemens SCALANCE W738-1 M12
Siemens Scalance W738-1
Siemens Scalance W748-1 M12
Siemens SCALANCE W748-1 M12 Firmware
Siemens SCALANCE W761-1 Firmware
Siemens Scalance W761-1
Siemens SCALANCE W774-1 M12 EEC
Siemens Scalance W774-1
Siemens Scalance W774-1 M12 RJ45
Siemens Scalance W774-1 M12 RJ45
Siemens SCALANCE W774-1 RJ45
Siemens Scalance W774-1
Siemens SCALANCE W778-1 M12 EEC Firmware
Siemens Scalance W778-1 M12
Siemens SCALANCE W778-1 M12 EEC
Siemens SCALANCE W778-1 M12 EEC
Siemens Scalance W786-1 RJ45
Siemens Scalance W786-1
Siemens Scalance W786-2 RJ45
Siemens Scalance W786-2
Siemens SCALANCE W786-2 SFP
Siemens Scalance W786-2
Siemens SCALANCE W786-2 SFP
Siemens SCALANCE W786-2IA RJ45 Firmware
Siemens SCALANCE W788-1 Firmware
Siemens Scalance W788-1 M12
Siemens Scalance W788-1 RJ45
Siemens Scalance W788-1 RJ45 Firmware
Siemens Scalance W788-2 M12
Siemens Scalance W788-2 M12
Siemens Scalance W788-2 M12 EEC
Siemens Scalance W788-2 M12
Siemens Scalance W1748-1 Firmware
Siemens Scalance W1748-1 M12 Firmware
Siemens SCALANCE W1788-1 M12 Firmware
Siemens SCALANCE W1788-1 M12 Firmware
Siemens Scalance W1788-2 EEC M12
Siemens Scalance W1788-2
Siemens Scalance W1788-2 Firmware
Siemens Scalance W1788-2 Firmware
Siemens Scalance W1788-2IA M12
Siemens Scalance W1788-2IA
Siemens Scalance WAM763-1
Siemens SCALANCE WAM763-1
Siemens SCALANCE WAM766-1 ECC Firmware
Siemens Scalance WAM766-1 6GHz
Siemens Scalance WAM766-1
Siemens Scalance WAM766-1
Siemens SCALANCE WAM766-1 Firmware
Siemens Scalance WAM766-1 6GHz
Siemens Scalance WUM763-1
Siemens Scalance WUM763-1 Firmware
Siemens Scalance WUM766-1 6GHz Firmware
Siemens SCALANCE WUM766-1 Firmware
Siemens Scalance WUM766-1
Siemens Scalance WUM766-1
Siemens Scalance XB205-3
Siemens Scalance XB205-3 Firmware
Siemens Scalance XB205-3LD
Siemens Scalance XB205-3
Siemens Scalance XB208
Siemens Scalance XB208
Siemens Scalance XB213-3
Siemens Scalance XB213-3LD Firmware
Siemens Scalance XB213-3LD
Siemens Scalance XB213-3LD Firmware
Siemens Scalance XB216
Siemens Scalance XB216 Firmware
Siemens Scalance XC206-2
Siemens Scalance XC206-2 Firmware
Siemens Scalance XC206-2G PoE EEC
Siemens Scalance XC206-2G PoE Firmware
Siemens Scalance XC206-2G PoE EEC
Siemens Scalance XC206-2G PoE EEC Firmware
Siemens Scalance XC206-2SFP
Siemens Siplus Net Scalance XC206-2SFP
Siemens Scalance XC206-2SFP EEC Firmware
Siemens Scalance XC206-2SFP EEC Firmware
Siemens Scalance XC206-2SFP G (E/IP) Firmware
Siemens Scalance XC206-2SFP G (E/IP)
Siemens Scalance XC206-2SFP G Firmware
Siemens Scalance XC206-2SFP G EEC Firmware
Siemens Siplus Net Scalance XC208 Firmware
Siemens Siplus Net Scalance XC208
Siemens SCALANCE XC208EEC
Siemens SCALANCE XC208EEC
Siemens Scalance XC208 PoE
Siemens Scalance XC208 PoE Firmware
Siemens Scalance XC216EEC Firmware
Siemens SCALANCE XC216-3G PoE (54 V DC)
Siemens SCALANCE XC216-3G PoE
Siemens Scalance XC216-3G PoE Firmware
Siemens Scalance XC216-4C
Siemens Scalance XC216-4C Firmware
Siemens Scalance XC216-4C G (E/IP) Firmware
Siemens Scalance XC216-4C G (E/IP)
Siemens Scalance XC216-4C G EEC
Siemens Scalance XC216-4C Firmware
Siemens Scalance XC216EEC
Siemens Scalance XC216EEC Firmware
Siemens SCALANCE XC224
Siemens SCALANCE XC224-4C G
Siemens Scalance XC224-4C G (E/IP) Firmware
Siemens Scalance XC224-4C G EEC Firmware
Siemens Scalance XC224-4C G EEC
Siemens Scalance XC224-4C G EEC Firmware
Siemens Scalance XF204 Firmware
Siemens Scalance XF204
Siemens Scalance XF204 DNA
Siemens Scalance XF204 DNA
Siemens Scalance XF204-2BA IRT Firmware
Siemens SCALANCE XF204-2BA IRT
Siemens Scalance XF204-2BCA DNA
Siemens Scalance XF204-2BCA DNA Firmware
Siemens Scalance XM408-4C L3 Firmware
Siemens Scalance XM408-4C L3
Siemens Scalance XM408-8C L3
Siemens Scalance XM408-8C Firmware
Siemens SCALANCE XM416-4C L3 Firmware
Siemens Scalance XM416-4C Firmware
Siemens SCALANCE XP208 (Ethernet/IP)
Siemens Scalance XP208 (EIP)
Siemens Scalance XP208EEC
Siemens Scalance XP208EEC Firmware
Siemens SCALANCE XP208PoE EEC
Siemens SCALANCE XP208PoE EEC Firmware
Siemens Scalance XP216 (EIP) Firmware
Siemens Scalance XP216 Firmware
Siemens Scalance XP216EEC
Siemens Scalance XP216EEC Firmware
Siemens Scalance XP216PoE EEC
Siemens Scalance XP216PoE EEC Firmware
Siemens Scalance XR324WG Firmware
Siemens Scalance XR324WG Firmware
Siemens Scalance XR326-2C PoE Firmware
Siemens Scalance XR326-2C POE WG
Siemens Scalance XR326-2C PoE WG Firmware
Siemens Scalance XR326-2C PoE Firmware
Siemens Scalance XR328-4C WG
Siemens SCALANCE XR328-4C WG
siemens scalance xr524-8c firmware
siemens scalance xr524-8c
siemens scalance xr526-8c firmware
siemens scalance xr526-8c
siemens scalance xr528-6m firmware
siemens scalance xr528-6m
Siemens Scalance XR552-12M
Siemens Scalance XR552
Siemens Siplus Net Scalance XC206-2
Siemens Scalance XC206-2
Siemens Scalance XC206-2SFP Firmware
Siemens Siplus Net Scalance XC206-2SFP Firmware
Siemens Siplus Net Scalance XC208
Siemens Siplus Net Scalance XC208 Firmware
Siemens Scalance XC216-4C Firmware
Siemens Scalance XC216-4C

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Frequently Asked Questions

  • What is the severity of CVE-2022-46143?

    CVE-2022-46143 is considered to have moderate severity as it allows an authenticated attacker to read uninitialized buffer data.

  • How do I fix CVE-2022-46143?

    To fix CVE-2022-46143, update to the latest firmware version that addresses the TFTP blocksize checking issue.

  • Which devices are affected by CVE-2022-46143?

    CVE-2022-46143 affects Siemens Ruggedcom RM1224 LTE (4G) EU and NAM firmware, among others in the Scalance product line.

  • Can CVE-2022-46143 be exploited remotely?

    No, CVE-2022-46143 requires authentication, meaning an attacker must have access to the affected devices.

  • Is there a workaround for CVE-2022-46143?

    While it's recommended to apply patches, temporarily limiting access to the affected devices can help mitigate the risk associated with CVE-2022-46143.

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