CVE-2025-5861 Tenda AC7 AdvSetLanip fromadvsetlanip buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda AC7 router via the lanMask parameter, potentially leading to code execution or service disruption.
- 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-2025-5861?
CVE-2025-5861 is a high-severity memory corruption vulnerability in Tenda Ac7 Firmware, published on 9 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in Tenda AC7 15.03.06.44 and classified as critical. This vulnerability affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-5861?
It affects 1 product.
Products include Tenda Ac7 Firmware.
How do I fix CVE-2025-5861?
No fix has been published for CVE-2025-5861 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-2025-5861 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5861 exists.
Other vulnerabilities in Tenda Ac7 Firmware
Sources
Also known as GHSA-w866-3fpp-r6c4.