Cyber Resilience

CVE-2025-44840

MediumPublic PoC

Published: 01 May 2025

Published
01 May 2025
Modified
22 May 2025
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Score 0.0602 90.9th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-44840 is a medium-severity Command Injection (CWE-77) vulnerability in Totolink Ca600-Poe Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 9.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-77

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

The command injection vulnerability in the web-exposed CloudSrvUserdataVersionCheck function via the svn parameter enables exploitation of a public-facing application (T1190) and facilitates arbitrary Unix shell command execution (T1059.004) on the network device.

Affected Assets

totolink
ca600-poe firmware
5.3c.6665_b20180820*

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References