CVE-2025-57639: ac9 Command Injection — Exploit

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.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
tenda	ac9_firmware	All
tenda	ac9	All

References

Exploits

https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda2.md

Frequently Asked Questions

What is 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 function of the httpd file. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-57639? +

CVE-2025-57639 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-57639? +

CVE-2025-57639 affects products from tenda, specifically: ac9, ac9_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-57639? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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