CVE-2026-7096 Tenda HG3 formgponConf os command injection

High 8.7 Published 27 Apr 2026 Updated 27 Apr 2026

Remote attackers can execute arbitrary OS commands on Tenda HG3 routers via the formgponConf endpoint, requiring administrative privileges.

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-2026-7096?

CVE-2026-7096 is a high-severity command injection vulnerability in Tenda HG3, published on 27 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in Tenda HG3 2.0 300003070. This vulnerability affects the function formgponConf of the file /boaform/admin/formgponConf. The manipulation of the argument fmgpon_loid results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-7096?

It affects 1 product.

Products include Tenda Hg3 Firmware.

How do I fix CVE-2026-7096?

No fix has been published for CVE-2026-7096 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-7096 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7096 exists.

Sources

Also known as GHSA-hxxp-cx9w-cj3w.