CVE-2025-11325 Tenda AC18 fast_setting_pppoe_set stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda AC18 router via the Username argument, 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-2025-11325?
CVE-2025-11325 is a high-severity memory corruption vulnerability in Tenda Ac18 Firmware, published on 6 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 AC18 15.03.05.19(6318). Affected by this issue is some unknown functionality of the file /goform/fast_setting_pppoe_set. Performing a manipulation of the argument Username results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2025-11325?
It affects 1 product.
Products include Tenda Ac18 Firmware.
How do I fix CVE-2025-11325?
No fix has been published for CVE-2025-11325 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-2025-11325 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11325 exists.
Other vulnerabilities in Tenda Ac18 Firmware
Sources
Also known as GHSA-5g8h-54w4-pmjh.