Vulnerability · Published Mar 30, 2026 · Assigned by VulDB
CVE-2026-5153Tenda CH22 WriteFacMac FormWriteFacMac command injection
Medium 6.3
In plain English
A medium-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 3.4% (higher than 89% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)3.4%top 11.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published 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:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-354185 | Tenda CH22 WriteFacMac FormWriteFacMac command injection vdb-entry, technical-description
- VDB-354185 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #780204 | Tenda CH22 V1.0.0.1 Command Injection third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_60/README.md exploit
- https://www.tenda.com.cn/ product