CVE-2026-7119 Tenda HG3 formCountrystr 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 formCountrystr endpoint, requiring immediate attention from network administrators.

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-2026-7119?

CVE-2026-7119 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 vulnerability was detected in Tenda HG3 2.0. The impacted element is an unknown function of the file /boaform/formCountrystr. The manipulation of the argument countrystr results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-7119?

It affects 1 product.

Products include Tenda Hg3 Firmware.

How do I fix CVE-2026-7119?

No fix has been published for CVE-2026-7119 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-2026-7119 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7119 exists.

Sources

Also known as GHSA-mh6w-w5qf-xcmp.