CVE-2025-57639

OS Command injection vulnerability in Tenda AC9 1.0 was discovered to contain a command injection...

6.5 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.98%Up 0.7 points since Sep 24, 2025

What each source reports

CVE List Score used 6.5

Record: CVE-2025-57639
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2025-30902 6.5

Record: EUVD-2025-30902
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9745-w7f4-f37c 6.5

OS Command injection vulnerability in Tenda AC9 1.0 was discovered to contain a command injection...

Record: GHSA-9745-w7f4-f37c
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-78
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-57639
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-78
Updated: 2026-11-06

Affected products

tenda ac9 firmware

History

History
Recorded	Changed	Sources
Nov 6, 2026	facts	NVD
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-57639 is a medium vulnerability (CVSS 6.5) in Tenda Ac9 Firmware, published September 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. No source names a fixed version.