CVE-2025-5853 Tenda AC6 SetRemoteWebCfg formSetSafeWanWebMan stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda AC6 router's remote web configuration interface, potentially leading to arbitrary 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-2025-5853?
CVE-2025-5853 is a high-severity memory corruption vulnerability in Tenda Ac6 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 classified as critical was found in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg. The manipulation of the argument remoteIp leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-5853?
It affects 1 product.
Products include Tenda Ac6 Firmware.
How do I fix CVE-2025-5853?
No fix has been published for CVE-2025-5853 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-2025-5853 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5853 exists.
Other vulnerabilities in Tenda Ac6 Firmware
Sources
Also known as GHSA-vm64-xcc6-8fhj.