CVE-2024-2891 Tenda AC7 QuickIndex formQuickIndex stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda AC7 router via the PPPOEPassword argument, potentially leading to code execution.
- 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-2024-2891?
CVE-2024-2891 is a high-severity memory corruption vulnerability in Tenda Ac7 Firmware, published on 26 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability, which was classified as critical, was found in Tenda AC7 15.03.06.44. Affected is the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-257934 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2024-2891?
It affects 1 product.
Products include Tenda Ac7 Firmware.
How do I fix CVE-2024-2891?
No fix has been published for CVE-2024-2891 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-2024-2891 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-2891 exists.
Other vulnerabilities in Tenda Ac7 Firmware
Sources
Also known as GHSA-m22v-j3fw-2m27.