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 remotely. The exploit has been published and may be used.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.065 (93.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.065 · change: +0.032
Affected products
- Tenda Ch22 — versions 1.0.0.1
- Tenda Ch22 Firmware — versions 1.0.0.1
Weakness classification (CWE)
References
- vuldb.com/vuln/354185 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/354185/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/780204 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_60/README.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (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.