CVE-2025-11389 Tenda AC15 saveAutoQos stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda AC15 router via the saveAutoQos endpoint, potentially executing arbitrary code.
- 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-2025-11389?
CVE-2025-11389 is a high-severity memory corruption vulnerability in Tenda Ac15 Firmware, published on 7 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in Tenda AC15 15.03.05.18. Affected is an unknown function of the file /goform/saveAutoQos. Performing a manipulation of the argument enable results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2025-11389?
It affects 1 product.
Products include Tenda Ac15 Firmware.
How do I fix CVE-2025-11389?
No fix has been published for CVE-2025-11389 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-2025-11389 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11389 exists.
Other vulnerabilities in Tenda Ac15 Firmware
Sources
Also known as GHSA-qjrr-vj83-mc2q.