Vulnerability details

CVE-2025-6916

Totolink T6

TOTOLINK T6 formLoginAuth.htm Form_Login missing authentication

CVSS 4.0

8.7High

Official description

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 scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R`
8.3High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:A/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:W/RC:UR`

Affected products

Vendor	Product	Versions	Source
Totolink	T6	4.1.5cu.748_B20211015	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/?id.314409 vdb-entrytechnical-description
https://vuldb.com/?ctiid.314409 signaturepermissions-required
https://vuldb.com/?submit.605101 third-party-advisory
https://www.totolink.net/ product
https://github.com/c0nyy/IoT_vuln/blob/main/TOTOLINK%20T6%20Vuln.md exploit

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Details

Published: 2025-06-30
Last updated: 2025-07-01
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.88%

Probability of exploitation in 30 days

59.4%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-306
Missing Authentication
CWE-287
Improper Authentication