CVE-2025-5852 Tenda AC6 setPptpUserList formSetPPTPUserList buffer overflow
A remote attacker can trigger a buffer overflow in the Tenda AC6 router's PPTP user list handler, 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-2025-5852?
CVE-2025-5852 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 has been found in Tenda AC6 15.03.05.16. Affected is the function formSetPPTPUserList of the file /goform/setPptpUserList. The manipulation of the argument list leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-5852?
It affects 1 product.
Products include Tenda Ac6 Firmware.
How do I fix CVE-2025-5852?
No fix has been published for CVE-2025-5852 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-2025-5852 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5852 exists.
Other vulnerabilities in Tenda Ac6 Firmware
Sources
Also known as GHSA-jx3m-4496-3hgp.