CVE-2025-9523 Tenda AC1206 GetParentControlInfo stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda AC1206 router via the GetParentControlInfo function, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9523?
CVE-2025-9523 is a critical memory corruption vulnerability in Tenda AC1206, published on 27 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was detected in Tenda AC1206 15.03.06.23. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.
Which versions are affected by CVE-2025-9523?
It affects 1 product.
Products include Tenda Ac1206 Firmware.
How do I fix CVE-2025-9523?
No fix has been published for CVE-2025-9523 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-2025-9523 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9523 exists.
Other vulnerabilities in Tenda AC1206
Sources
Also known as GHSA-gr75-xv56-ch26.