Vulnerability · Published Apr 27, 2026 · Assigned by VulDB
CVE-2026-7119Tenda HG3 formCountrystr os command injection
High 8.8
In plain English
A high-severity OS command injection in HG3 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.3% (higher than 88% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)3.3%top 11.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-359719 | Tenda HG3 formCountrystr os command injection vdb-entry, technical-description
- VDB-359719 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #800859 | Tenda HG3 N300 Wi-Fi xPON ONT HARD_VERSION=V2.0 , Version: 300003070 Remote code execution third-party-advisory
- https://www.notion.so/Tenda-HG3-1-33d0c75766a8808d8b38e9d090cec7ab exploit
- https://www.tenda.com.cn/ product