CVE-2025-29387 Memory corruption in n/a
A stack overflow in the Tenda AC9 router allows remote attackers to execute arbitrary code via the wanSpeed parameter.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-29387?
CVE-2025-29387 is a high-severity memory corruption vulnerability in Tenda Ac9 Firmware, published on 14 Mar 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In Tenda AC9 v1.0 V15.03.05.14_multi, the wanSpeed parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution.
Which versions are affected by CVE-2025-29387?
It affects 1 product.
Products include Tenda Ac9 Firmware.
How do I fix CVE-2025-29387?
No fix has been published for CVE-2025-29387 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-2025-29387 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-29387 exists.
Other vulnerabilities in Tenda Ac9 Firmware
Sources
Also known as GHSA-54v8-qjwx-hj66.