High severity · published Sep 2, 2025
CVE-2025-9812
Tenda CH22 exeCommand formexeCommand buffer overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formexeCommand of the file /goform/exeCommand. Executing manipulation of the argument cmdinput can lead to buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
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)0.7% · 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 · source: vendor
CF
Ch22 Firmware · Tenda
1.0.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9812
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9812
Broken Link
https://github.com/csgii/cve/issues/1
Permissions Required
https://vuldb.com/?ctiid.322139
Third Party Advisory
https://vuldb.com/?id.322139
Third Party Advisory
https://vuldb.com/?submit.641148
Product
https://www.tenda.com.cn/
More from CH22
9.8
CVE-2025-9748
Tenda CH22 httpd IPSECsave fromIpsecitem stack-based overflow
9.8
CVE-2025-5685
Tenda CH22 Natlimit formNatlimit stack-based overflow
9.8
CVE-2025-5619
Tenda CH22 addUserName formaddUserName stack-based overflow
8.8
CVE-2025-11117
Tenda CH22 GstDhcpSetSer formWrlExtraGet buffer overflow
8.8
CVE-2025-9813
Tenda CH22 SetSambaConf formSetSambaConf buffer overflow