CVE-2026-85110 Tenda HG10 Boa Web Server formWlanSetup buffer overflow
A buffer overflow in the Tenda HG10 router's web server allows remote attackers to execute arbitrary code via the ssid parameter.
- 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-2026-85110?
CVE-2026-85110 is a high-severity memory corruption vulnerability in Tenda HG10, published on 3 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in Tenda HG10 300001138. Impacted is the function formWlanSetup of the file /boaform/formWlanSetup of the component Boa Web Server. The manipulation of the argument ssid leads to buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
Which versions are affected by CVE-2026-85110?
How do I fix CVE-2026-85110?
No fix has been published for CVE-2026-85110 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-2026-85110 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85110 exists.
Sources
Also known as GHSA-f4xv-q254-wwpm.