CVE-2023-41556 Memory corruption in n/a

Critical 9.8 Published 30 Aug 2023 Updated 1 Oct 2024

A stack overflow in Tenda routers allows attackers to execute arbitrary code or cause denial of service via the SetIpMacBind endpoint.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-41556?

CVE-2023-41556 is a critical memory corruption vulnerability in Tenda Ac7 Firmware, published on 30 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter list at url /goform/SetIpMacBind.

Weakness: CWE-787

Which versions are affected by CVE-2023-41556?

It affects 3 products.

Products include Tenda Ac5 Firmware, Tenda Ac7 Firmware, Tenda Ac9 Firmware.

How do I fix CVE-2023-41556?

No fix has been published for CVE-2023-41556 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-2023-41556 being exploited?

There is no known exploitation of CVE-2023-41556 in the wild and no public exploit code.

All Tenda Ac7 Firmware vulnerabilities

Sources

Also known as GHSA-6c44-mxmr-gxgp.