Which versions of TOTOLINK T6 are affected by EUVD-2025-21356?

Organizations using A vulnerability classified as critical should be aware of moderate risk from CVE-2025-7615, a injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for EUVD-2025-21356?

Yes, a public proof-of-concept exploit is available for EUVD-2025-21356. Prioritise patching immediately. EPSS: 1.6%.

How to fix or mitigate EUVD-2025-21356?

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

TOTOLINK T6 EUVD-2025-21356

Q: What is the CVSS score of EUVD-2025-21356?

EUVD-2025-21356 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: 1.6%.

| CVE-2025-7615 LOW

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2025-07-14 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 16, 2026 - 09:43 euvd

EUVD-2025-21356

Analysis Generated

Mar 16, 2026 - 09:43 vuln.today

PoC Detected

Jul 16, 2025 - 14:30 vuln.today

Public exploit code

CVE Published

Jul 14, 2025 - 16:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748. Affected by this vulnerability is the function clearPairCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Analysis

EUVD-2025-21356 vulnerability details – vuln.today

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