RCE in Tenda Ch22
CVE-2026-5153
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 remot…
EPSS: 0.010 (77.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Tenda Ch22 — versions 1.0.0.1
- Tenda Ch22_firmware — versions 1.0.0.1
Weakness classification (CWE)
References
- VDB-354185 | Tenda CH22 WriteFacMac FormWriteFacMac command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-354185 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #780204 | Tenda CH22 V1.0.0.1 Command Injection (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-5153?
- CVE-2026-5153 is a medium-severity vulnerability in Tenda Ch22, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-03-30.
- How severe is CVE-2026-5153?
- Medium severity. CVSS v3 base score is 6.3 out of 10.