CVE-2025-44840 — MEDIUM (6.5)

Vulnerability Description

TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the CloudSrvUserdataVersionCheck function via the svn parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Totolink	Ca600-Poe Firmware	5.3c.6665_b20180820*
Totolink	Ca600-Poe	-

Related Weaknesses (CWE)

CWE-77

References

https://github.com/Summermu/VulnForIoT/tree/main/Totolink_CA600-PoE/CloudSrvUserExploitThird Party Advisory

FAQ

What is CVE-2025-44840?

CVE-2025-44840 is a vulnerability with a CVSS score of 6.5 (MEDIUM). TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the CloudSrvUserdataVersionCheck function via the svn parameter. This vulnerability allows attackers t...

How severe is CVE-2025-44840?

CVE-2025-44840 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-44840?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink Ca600-Poe Firmware, Totolink Ca600-Poe.