High severity · published Sep 2, 2025
CVE-2025-9813
Tenda CH22 SetSambaConf formSetSambaConf buffer overflow
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the function formSetSambaConf of the file /goform/SetSambaConf. The manipulation of the argument samba_userNameSda leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might 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)0.9% · higher than 61% 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-2025-9813
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9813
Broken Link
https://github.com/csgii/cve/issues/2
Permissions Required
https://vuldb.com/?ctiid.322140
Third Party Advisory
https://vuldb.com/?id.322140
Third Party Advisory
https://vuldb.com/?submit.641151
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-2025-9812
Tenda CH22 exeCommand formexeCommand buffer overflow