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CVE-2026-5153

Tenda CH22 WriteFacMac FormWriteFacMac command injection

CVSS 5.3 MEDIUMEPSS 3.0%CWE-74CWE-77
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 3.0%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
30 Mar 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · CH22
public PoCs found — 1
cve_referencegithub.com/Litengzheng/vuldb_new/blob/main/CH22/vul_60/README.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_60/README.mdhttps://vuldb.com/submit/780204https://vuldb.com/vuln/354185https://vuldb.com/vuln/354185/ctihttps://www.tenda.com.cn/