CVE-2025-6916

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.

CVSS v3 8.8 HIGH
CVSS v2.0 8.3 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.3^/10

CVSS v2.0 : HIGH

Vector : AV:A/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 6.5 / Impact : 10.0

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/c0nyy/IoT_vuln/blob/main/TOTOLINK%20T6%20Vuln.md	Exploit Third Party Advisory
https://vuldb.com/?ctiid.314409	Permissions Required Third Party Advisory VDB Entry
https://vuldb.com/?id.314409	Third Party Advisory VDB Entry
https://vuldb.com/?submit.605101	Third Party Advisory VDB Entry
https://www.totolink.net/	Product
https://github.com/c0nyy/IoT_vuln/blob/main/TOTOLINK%20T6%20Vuln.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:t6_firmware:v4.1.5cu.748_b20211015:*:*:*:*:*:*:*

cpe:2.3:h:totolink:t6:-:*:*:*:*:*:*:*

History

07 Jul 2025, 14:41

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-06-30 17:15

Updated : 2025-07-07 14:41

NVD link : CVE-2025-6916

Mitre link : CVE-2025-6916

CVE.ORG link : CVE-2025-6916

JSON object : View

Products Affected

totolink

t6
t6_firmware

CWE

CWE-287

Improper Authentication

CWE-306

Missing Authentication for Critical Function

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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."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad clasificada como cr\u00edtica en TOTOLINK T6 4.1.5cu.748_B20211015. Esta afecta a la funci\u00f3n Form_Login del archivo /formLoginAuth.htm. La manipulaci\u00f3n del argumento authCode/goURL provoca la omisi\u00f3n de la autenticaci\u00f3n. El ataque debe iniciarse dentro de la red local. Se ha hecho p\u00fablico el exploit y puede que sea utilizado."}], "lastModified": "2025-07-07T14:41:39.973", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:t6_firmware:v4.1.5cu.748_b20211015:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "43CE0237-A087-41D7-9E63-ED62660C11BE"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:t6:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6FCCF9D7-710A-483D-88DD-682105586C9F"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}