7.2
CWE
120 119
Advisory Published
Updated

CVE-2020-9499: Buffer Overflow

First published: Thu Apr 09 2020(Updated: )

Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.

Credit: cybersecurity@dahuatech.com

Affected SoftwareAffected VersionHow to fix
Dahua Security SD6AL Firmware<2019-12
Dahua Security SD6AL
Dahua Security SD5A Firmware<2019-12
Dahua Security SD5A Firmware
Dahuasecurity Sd1a1<2019-12
Dahuasecurity SD1A
Dahua Security PTZ1A<2019-12
Dahua Security PTZ1A
Dahuasecurity Sd50 Firmware<2019-12
Dahuasecurity Sd50 Firmware
Dahuasecurity Sd52c Firmware<2019-12
Dahuasecurity Sd52c Firmware
Dahuasecurity IPC-HX5842H<2019-12
Dahuasecurity IPC-HX5842H
Dahuasecurity IPC-HX7842H<2019-12
Dahuasecurity IPC-HX7842H Firmware
Dahuasecurity IPC-HX2XXX<2019-12
Dahuasecurity IPC-HX2XXX Firmware
Dahua IPC-HXXX5X4X<2019-12
Dahua IPC-HXXX5X4X
Dahua Security N42B1P Firmware<2019-12
Dahua Security N42B1P Firmware
Dahuasecurity N42b2p<2019-12
Dahuasecurity N42b2p Firmware
Dahuasecurity N42B3P<2019-12
Dahuasecurity N42b3p Firmware
Dahua Security N52A4P Firmware<2019-12
Dahua Security N52A4P Firmware
Dahua N54a4p<2019-12
Dahuasecurity N54a4p
Dahuasecurity N52b2p<2019-12
Dahuasecurity N52b2p Firmware
Dahua N52B5P Firmware<2019-12
Dahua N52B5P Firmware
Dahua N52B3P<2019-12
Dahua N52B3P
Dahuasecurity N54b2p<2019-12
Dahuasecurity N54b2p Firmware

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Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID is CVE-2020-9499.

  • What is the severity of CVE-2020-9499?

    The severity of CVE-2020-9499 is high with a CVSS score of 7.2.

  • Which Dahua products are affected by CVE-2020-9499?

    Some Dahua products, including Dahuasecurity Sd6al Firmware and Dahuasecurity Sd5a Firmware, are affected by CVE-2020-9499.

  • How can the attacker exploit CVE-2020-9499?

    The attacker can exploit CVE-2020-9499 by sending a specific DDNS test command after successfully logging in to the device.

  • What is the fix for CVE-2020-9499?

    To fix CVE-2020-9499, it is recommended to update the affected Dahua products to a version released after December 2019.

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