CVE-2025-55499 Memory corruption in n/a
A buffer overflow in the Tenda AC6 router allows attackers to execute arbitrary code or cause a denial of service via the ntpServer parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-55499?
CVE-2025-55499 is a medium-severity memory corruption vulnerability in Tenda Ac6 Firmware, published on 20 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda AC6 V15.03.06.23_multi was discovered to contain a buffer overflow via the ntpServer parameter in the fromSetSysTime function.
Weakness: CWE-120
Which versions are affected by CVE-2025-55499?
It affects 1 product.
Products include Tenda Ac6 Firmware.
How do I fix CVE-2025-55499?
No fix has been published for CVE-2025-55499 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-2025-55499 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55499 exists.
Other vulnerabilities in Tenda Ac6 Firmware
Sources
Also known as GHSA-364g-4wf3-29mg.