Which versions of TOTOLINK CA300-PoE are affected by EUVD-2025-19187?

Organizations using A vulnerability classified as critical should be aware of moderate risk from CVE-2025-6621, a command injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for EUVD-2025-19187?

Yes, a public proof-of-concept exploit is available for EUVD-2025-19187. Prioritise patching immediately. EPSS: 2.5%.

How to fix or mitigate EUVD-2025-19187?

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

TOTOLINK CA300-PoE EUVD-2025-19187

Q: What is the CVSS score of EUVD-2025-19187?

EUVD-2025-19187 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%.

| CVE-2025-6621 LOW

Command Injection (CWE-77)

2025-06-25 cna@vuldb.com

Command Injection

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-2025-19187

Analysis Generated

Mar 15, 2026 - 23:19 vuln.today

PoC Detected

Jun 27, 2025 - 18:10 vuln.today

Public exploit code

CVE Published

Jun 25, 2025 - 18:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability classified as critical has been found in TOTOLINK CA300-PoE 6.2c.884. This affects the function QuickSetting of the file ap.so. The manipulation of the argument hour/minute leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Analysis

EUVD-2025-19187 vulnerability details – vuln.today

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