CVE-2025-5851 Tenda AC15 HTTP POST Request AdvSetLanip fromadvsetlanip buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda AC15 router via crafted HTTP POST requests, 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-2025-5851?
CVE-2025-5851 is a high-severity memory corruption vulnerability in Tenda Ac15 Firmware, published on 8 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been rated as critical. This issue affects the function fromadvsetlanip of the file /goform/AdvSetLanip of the component HTTP POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-5851?
It affects 1 product.
Products include Tenda Ac15 Firmware.
How do I fix CVE-2025-5851?
No fix has been published for CVE-2025-5851 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-2025-5851 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5851 exists.
Other vulnerabilities in Tenda Ac15 Firmware
Sources
Also known as GHSA-629p-hwcg-x88h.