CVE-2025-12596 Tenda AC23 saveParentControlInfo buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda AC23 router's parent control feature, 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-2025-12596?
CVE-2025-12596 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 security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentControlInfo of the file /goform/saveParentControlInfo. Such manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2025-12596?
It affects 1 product.
Products include Tenda Ac23 Firmware.
How do I fix CVE-2025-12596?
No fix has been published for CVE-2025-12596 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-2025-12596 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-12596 exists.
Other vulnerabilities in Tenda AC23
Sources
Also known as GHSA-m64w-vrmh-8h45.