CVE-2025-11387 Tenda AC15 fast_setting_pppoe_set stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the PPPoE password field, potentially leading to arbitrary code execution on Tenda AC15 routers.
- 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-2025-11387?
CVE-2025-11387 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 vulnerability was determined in Tenda AC15 15.03.05.18. This affects an unknown function of the file /goform/fast_setting_pppoe_set. This manipulation of the argument Password causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.
Which versions are affected by CVE-2025-11387?
It affects 1 product.
Products include Tenda Ac15 Firmware.
How do I fix CVE-2025-11387?
No fix has been published for CVE-2025-11387 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-2025-11387 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11387 exists.
Other vulnerabilities in Tenda Ac15 Firmware
Sources
Also known as GHSA-g45x-wv5j-2hj5.