high
8.6
CWE
20
Advisory Published
Updated

CVE-2022-31766: Input Validation

First published: Tue Oct 11 2022(Updated: )

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (All versions < V7.1.2), SCALANCE M804PB (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (Annex A) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (Annex B) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (Annex A) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (Annex B) (All versions < V7.1.2), SCALANCE M826-2 SHDSL-Router (All versions < V7.1.2), SCALANCE M874-2 (All versions < V7.1.2), SCALANCE M874-3 (All versions < V7.1.2), SCALANCE M876-3 (EVDO) (All versions < V7.1.2), SCALANCE M876-3 (ROK) (All versions < V7.1.2), SCALANCE M876-4 (All versions < V7.1.2), SCALANCE M876-4 (EU) (All versions < V7.1.2), SCALANCE M876-4 (NAM) (All versions < V7.1.2), SCALANCE MUM853-1 (EU) (All versions < V7.1.2), SCALANCE MUM856-1 (EU) (All versions < V7.1.2), SCALANCE MUM856-1 (RoW) (All versions < V7.1.2), SCALANCE S615 (All versions < V7.1.2), SCALANCE S615 EEC (All versions < V7.1.2), SCALANCE WAM763-1 (All versions >= V1.1.0 < V2.0), SCALANCE WAM766-1 (EU) (All versions >= V1.1.0 < V2.0), SCALANCE WAM766-1 (US) (All versions >= V1.1.0 < V2.0), SCALANCE WAM766-1 EEC (EU) (All versions >= V1.1.0 < V2.0), SCALANCE WAM766-1 EEC (US) (All versions >= V1.1.0 < V2.0), SCALANCE WUM763-1 (All versions >= V1.1.0 < V2.0), SCALANCE WUM763-1 (All versions >= V1.1.0 < V2.0), SCALANCE WUM766-1 (EU) (All versions >= V1.1.0 < V2.0), SCALANCE WUM766-1 (US) (All versions >= V1.1.0 < V2.0). Affected devices with TCP Event service enabled do not properly handle malformed packets. This could allow an unauthenticated remote attacker to cause a denial of service condition and reboot the device thus possibly affecting other network resources.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens Ruggedcom Rm1224 Firmware<7.1.2
Siemens RUGGEDCOM RM1224
Siemens Scalance M804pb Firmware<7.1.2
Siemens Scalance M804pb
Siemens Scalance M812-1 Firmware<7.1.2
Siemens Scalance M812-1
Siemens Scalance M816-1 Firmware<7.1.2
Siemens Scalance M816-1
Siemens Scalance M826-2 Firmware<7.1.2
Siemens Scalance M826-2
Siemens Scalance M874-2 Firmware<7.1.2
Siemens Scalance M874-2
Siemens Scalance M874-3 Firmware<7.1.2
Siemens Scalance M874-3
Siemens Scalance M876-3 Firmware<7.1.2
Siemens Scalance M876-3
Siemens Scalance M876-4 Firmware<7.1.2
Siemens Scalance M876-4
Siemens Scalance Mum853-1 Firmware<7.1.2
Siemens Scalance Mum853-1
Siemens Scalance Mum856-1 Firmware<7.1.2
Siemens Scalance Mum856-1
Siemens Scalance S615 Firmware<7.1.2
Siemens SCALANCE S615
Siemens Scalance Wam763-1 Firmware>=1.1.0
Siemens Scalance Wam763-1
Siemens Scalance Wam766-1 Firmware>=1.1.0
Siemens Scalance Wam766-1
Siemens Scalance Wum763-1 Firmware>=1.1.0
Siemens Scalance Wum763-1
Siemens Scalance Wum766-1 Firmware>=1.1.0
Siemens Scalance Wum766-1
Siemens Scalance Wam766-1 Firmware>=1.1.0
Siemens Scalance Wam766-1

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-31766?

    CVE-2022-31766 is a vulnerability identified in RUGGEDCOM RM1224 LTE(4G) EU (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (All versions < V7.1.2), SCALANCE M804PB (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (Annex A) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (Annex B) (All versions < V7.1.2).

  • What is the severity of CVE-2022-31766?

    CVE-2022-31766 has a severity rating of 8.6 (High).

  • Which software versions are affected by CVE-2022-31766?

    CVE-2022-31766 affects RUGGEDCOM RM1224 LTE(4G) EU (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (All versions < V7.1.2), SCALANCE M804PB (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (Annex A) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (Annex B) (All versions < V7.1.2).

  • How do I fix CVE-2022-31766?

    To fix CVE-2022-31766, update the affected software versions to V7.1.2 or higher.

  • Where can I find more information about CVE-2022-31766?

    You can find more information about CVE-2022-31766 in the [Siemens ProductCERT advisory](https://cert-portal.siemens.com/productcert/pdf/ssa-697140.pdf).

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