CVE-2025-6112 Tenda FH1205 AdvSetLanip fromadvsetlanip buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda FH1205 router via the lanMask parameter, potentially leading to arbitrary code execution.
- 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-2025-6112?
CVE-2025-6112 is a high-severity memory corruption vulnerability in Tenda FH1205, published on 16 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability, which was classified as critical, has been found in Tenda FH1205 2.0.0.7. This issue affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-6112?
It affects 1 product.
Products include Tenda Fh1205 Firmware.
How do I fix CVE-2025-6112?
No fix has been published for CVE-2025-6112 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-2025-6112 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6112 exists.
Other vulnerabilities in Tenda FH1205
Sources
Also known as GHSA-6638-j9qv-jr95.