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TOTOLINK T6 EUVD-2025-19554

| CVE-2025-6916 HIGH
Improper Authentication (CWE-287)
2025-06-30 cna@vuldb.com
7.4
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
7.4 HIGH
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

5
CVSS changed
Apr 29, 2026 - 01:11 NVD
8.8 (HIGH) 7.4 (HIGH)
EUVD ID Assigned
Mar 16, 2026 - 01:25 euvd
EUVD-2025-19554
Analysis Generated
Mar 16, 2026 - 01:25 vuln.today
PoC Detected
Jul 07, 2025 - 14:41 vuln.today
Public exploit code
CVE Published
Jun 30, 2025 - 17:15 nvd
HIGH 8.8

DescriptionCVE.org

A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. This affects the function Form_Login of the file /formLoginAuth.htm. The manipulation of the argument authCode/goURL leads to missing authentication. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. This affects the function Form_Login of the file /formLoginAuth.htm. The manipulation of the argument authCode/goURL leads to missing authentication. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used.

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EUVD-2025-19554 vulnerability details – vuln.today

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