high
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
Dahuasecurity Sd6al Firmware<2019-12
Dahuasecurity Sd6al
Dahuasecurity Sd5a Firmware<2019-12
Dahuasecurity Sd5a
Dahuasecurity Sd1a Firmware<2019-12
Dahuasecurity Sd1a
Dahuasecurity Ptz1a Firmware<2019-12
Dahuasecurity Ptz1a
Dahuasecurity Sd50 Firmware<2019-12
Dahuasecurity Sd50
Dahuasecurity Sd52c Firmware<2019-12
Dahuasecurity Sd52c
Dahuasecurity Ipc-hx5842h Firmware<2019-12
Dahuasecurity Ipc-hx5842h
Dahuasecurity Ipc-hx7842h Firmware<2019-12
Dahuasecurity Ipc-hx7842h
Dahuasecurity Ipc-hx2xxx Firmware<2019-12
Dahuasecurity Ipc-hx2xxx
Dahuasecurity Ipc-hxxx5x4x Firmware<2019-12
Dahuasecurity Ipc-hxxx5x4x
Dahuasecurity N42b1p Firmware<2019-12
Dahuasecurity N42b1p
Dahuasecurity N42b2p Firmware<2019-12
Dahuasecurity N42b2p
Dahuasecurity N42b3p Firmware<2019-12
Dahuasecurity N42b3p
Dahuasecurity N52a4p Firmware<2019-12
Dahuasecurity N52a4p
Dahuasecurity N54a4p Firmware<2019-12
Dahua N54a4p
Dahuasecurity N52b2p Firmware<2019-12
Dahuasecurity N52b2p
Dahuasecurity N52b5p Firmware<2019-12
Dahuasecurity N52b5p
Dahuasecurity N52b3p Firmware<2019-12
Dahuasecurity N52b3p
Dahuasecurity N54b2p Firmware<2019-12
Dahuasecurity N54b2p

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Reference Links

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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