CVE-2025-6113 Tenda FH1203 AdvSetLanip fromadvsetlanip buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda FH1203 router via the AdvSetLanip interface, 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-2025-6113?
CVE-2025-6113 is a high-severity memory corruption vulnerability in Tenda FH1203, 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, was found in Tenda FH1203 2.0.1.6. Affected is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask 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-2025-6113?
It affects 1 product.
Products include Tenda Fh1203 Firmware.
How do I fix CVE-2025-6113?
No fix has been published for CVE-2025-6113 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-2025-6113 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6113 exists.
Other vulnerabilities in Tenda FH1203
Sources
Also known as GHSA-6rv5-6c4w-3hfg.