Vulnerability · Published Aug 20, 2026 · Assigned by VulDB
CVE-2026-77031Tenda CH22 formcreateFileName command injection
High 7.4
In plain English
A high-severity command injection in CH22 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)2.7%top 13.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in Tenda CH22 1.0.0.1. The affected element is the function formcreateFileName of the file /goform/formcreateFileName. The manipulation of the argument fileNameMit leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-393642 | Tenda CH22 formcreateFileName command injection vdb-entry, technical-description
- VDB-393642 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-77031 | CVE Analysis and Report third-party-advisory
- Submit #880667 | Tenda CH22 V1.0.0.1 Command Injection third-party-advisory
- https://candle-throne-f75.notion.site/Tenda-CH22-formcreateFileName-392df0aa118580c38c4ad15fb15cd30d exploit
- https://www.tenda.com.cn/ product