CVE-2023-2923 Tenda AC6 fromDhcpListClient stack-based overflow

Medium 6.3 Published Updated

A remote stack-based buffer overflow in the Tenda AC6 router allows attackers to execute arbitrary code via the fromDhcpListClient function.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-2923?

CVE-2023-2923 is a medium-severity memory corruption vulnerability in Tenda Ac6 Firmware, published on 27 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical was found in Tenda AC6 US_AC6V1.0BR_V15.03.05.19. Affected by this vulnerability is the function fromDhcpListClient. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-230077 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2023-2923?

It affects 1 product.

Products include Tenda Ac6 Firmware.

How do I fix CVE-2023-2923?

No fix has been published for CVE-2023-2923 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-2923 being exploited?

There is no known exploitation of CVE-2023-2923 in the wild and no public exploit code.

All Tenda Ac6 Firmware vulnerabilities

Sources

Also known as GHSA-w64q-pg96-cpvq.

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