Which versions of Ca300 Poe Firmware are affected by CVE-2025-6619?

Organizations using A vulnerability should be aware of moderate risk from CVE-2025-6619, a command injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2025-6619?

Yes, a public proof-of-concept exploit is available for CVE-2025-6619. Prioritise patching immediately. EPSS: 2.5%.

How to fix or mitigate CVE-2025-6619?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Ca300 Poe Firmware CVE-2025-6619

Q: What is the CVSS score of CVE-2025-6619?

CVE-2025-6619 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 2.5%.

EUVD-2025-19129 LOW

Command Injection (CWE-77)

2025-06-25 cna@vuldb.com

Command Injection Ca300 Poe Firmware

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

EUVD ID Assigned

Mar 15, 2026 - 23:19 euvd

EUVD-2025-19129

Analysis Generated

Mar 15, 2026 - 23:19 vuln.today

PoC Detected

Jun 27, 2025 - 18:19 vuln.today

Public exploit code

CVE Published

Jun 25, 2025 - 18:15 cve.org

LOW 2.1

CVE Published

Jun 25, 2025 - 18:15 nvd

MEDIUM 6.3

DescriptionCVE.org

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

AnalysisAI

OS command injection in TOTOLINK CA300-PoE firmware 6.2c.884 allows authenticated remote attackers to execute arbitrary OS commands via the FileName parameter in the firmware upgrade function. Public exploit code is available, though active exploitation has not been confirmed. EPSS indicates a moderate exploitation probability (2.45%).