CVE-2025-25662 Memory corruption in n/a
A buffer overflow in the Tenda O4 router allows attackers to execute arbitrary code or cause a denial of service via crafted MAC filter settings.
- 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-2025-25662?
CVE-2025-25662 is a critical memory corruption vulnerability in n/a, published on 20 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda O4 V3.0 V1.0.0.10(2936) is vulnerable to Buffer Overflow in the function SafeSetMacFilter of the file /goform/setMacFilterList via the argument remark/type/time.
Weakness: CWE-120
Which versions are affected by CVE-2025-25662?
It affects 1 product.
Products include Tenda O4 Firmware.
How do I fix CVE-2025-25662?
No fix has been published for CVE-2025-25662 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-2025-25662 being exploited?
There is no known exploitation of CVE-2025-25662 in the wild and no public exploit code.
Sources
Also known as GHSA-xg8w-g5cc-8wvr.