CVE-2025-9023 Tenda AC7/AC18 SetLEDCfg formSetSchedLed buffer overflow
Remote attackers can trigger a buffer overflow in Tenda AC7/AC18 routers via the SetLEDCfg endpoint, 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-2025-9023?
CVE-2025-9023 is a high-severity memory corruption vulnerability in Tenda Ac18 Firmware, published on 15 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in Tenda AC7 and AC18 15.03.05.19/15.03.06.44. Affected is the function formSetSchedLed of the file /goform/SetLEDCfg. The manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-9023?
It affects 2 products.
Products include Tenda Ac18 Firmware, Tenda Ac7 Firmware.
How do I fix CVE-2025-9023?
No fix has been published for CVE-2025-9023 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-2025-9023 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9023 exists.
Other vulnerabilities in Tenda Ac18 Firmware
Sources
Also known as GHSA-xffp-g8q4-6v4h.