High severity · published Mar 30, 2026
CVE-2026-5153
Tenda CH22 WriteFacMac FormWriteFacMac command injection
8.8
CVSS
3.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
CH22 · Tenda
1.0.0.1 · source: vendor
CF
Ch22 Firmware · Tenda
1.0.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5153
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5153
Exploit
https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_60/README.md
Third Party Advisory
https://vuldb.com/submit/780204
Third Party Advisory
https://vuldb.com/vuln/354185
Permissions Required
https://vuldb.com/vuln/354185/cti
Product
https://www.tenda.com.cn/
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