CVE-2025-12595 Tenda AC23 SetVirtualServerCfg formSetVirtualSer buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda AC23 router's virtual server configuration handler, 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-2025-12595?
CVE-2025-12595 is a high-severity memory corruption vulnerability in Tenda AC23, published on 2 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Tenda AC23 16.03.07.52. This impacts the function formSetVirtualSer of the file /goform/SetVirtualServerCfg. This manipulation of the argument list causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2025-12595?
It affects 1 product.
Products include Tenda Ac23 Firmware.
How do I fix CVE-2025-12595?
No fix has been published for CVE-2025-12595 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-2025-12595 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-12595 exists.
Other vulnerabilities in Tenda AC23
Sources
Also known as GHSA-58m9-jw89-557f.