CVE-2025-6620: ca300-poe Command Injection — Exploit

Description

A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been rated as critical. Affected by this issue is the function setUpgradeUboot of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
totolink	ca300-poe_firmware	All
totolink	ca300-poe	All

References

Exploits

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md#poc https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md#poc

Other References

https://vuldb.com/?ctiid.313838 https://vuldb.com/?id.313838 https://vuldb.com/?submit.602265 https://www.totolink.net/

Frequently Asked Questions

What is CVE-2025-6620? +

A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been rated as critical. Affected by this issue is the function setUpgradeUboot of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-6620? +

CVE-2025-6620 has a CVSS v3.1 score of 6.3 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-2025-6620? +

CVE-2025-6620 affects products from totolink, specifically: ca300-poe, ca300-poe_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6620? +

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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