CVE-2025-6620 - CVE House

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Status published Medium CVE-2025-6620

TOTOLINK CA300-PoE upgrade.so setUpgradeUboot os command injection

5.3 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

pjqwudi (VulDB User)

References

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Affected Vendor

TOTOLINK

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Affected Software

CA300-PoE

Vulnerable Versions:

6.2c.884

Timeline

Official Publish: June 25th, 2025

Last Modified: June 26th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1059 Command and Scripting Interpreter

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1005 Data from Local System

T1041 Exfiltration Over C2 Channel

T1105 Ingress Tool Transfer

Command and Control