Medium severity · published Sep 23, 2025
CVE-2025-57639
OS Command injection vulnerability in Tenda AC9 1.0 was discovered to contain a command injection vulnerability via the usb.samba.guest.user parameter in the formSetSambaConf…
6.5
CVSS
1%
EPSS
No
On KEV
Description
OS Command injection vulnerability in Tenda AC9 1.0 was discovered to contain a command injection vulnerability via the usb.samba.guest.user parameter in the formSetSambaConf function of the httpd file.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac9 Firmware · Tenda
1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-57639
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-57639
Exploit
https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda2.md
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