High severity · published Mar 30, 2026
CVE-2026-5154
Tenda CH22 Parameter setcfm fromSetCfm stack-based overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability has been found in Tenda CH22 1.0.0.1/1.If. The impacted element is the function fromSetCfm of the file /goform/setcfm of the component Parameter Handler. The manipulation of the argument funcname leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public 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)0.6% · higher than 51% 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; 1.If · source: vendor
CF
Ch22 Firmware · Tenda
1.0.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5154
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5154
Exploit
https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_48/README.md
Third Party Advisory
https://vuldb.com/submit/780206
Third Party Advisory
https://vuldb.com/vuln/354186
Permissions Required
https://vuldb.com/vuln/354186/cti
Product
https://www.tenda.com.cn/
More from CH22
9.8
CVE-2026-5962
Tenda CH22 httpd R7WebsSecurityHandlerfunction path traversal
9.8
CVE-2025-13400
A vulnerability was detected in Tenda CH22 1.0.0.1
9.8
CVE-2025-12273
A weakness has been identified in Tenda CH22 1.0.0.1
9.8
CVE-2025-12272
A security flaw has been discovered in Tenda CH22 1.0.0.1
9.8
CVE-2025-12271
A vulnerability was identified in Tenda CH22 1.0.0.1