PT-2025-27462 · Totolink · Totolink T6

C0Nyy · Published 2025-06-27 · Updated 2025-07-07 · CVE-2025-6916

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: TOTOLINK T6 version 4.1.5cu.748 B20211015

Description: A critical vulnerability was found in the TOTOLINK T6, affecting the Form Login function of the file /formLoginAuth.htm. The manipulation of the authCode/goURL argument leads to missing authentication. The attack must be initiated within the local network. The exploit has been disclosed to the public and may be used.

Recommendations: As a temporary workaround, consider disabling the Form Login function until a patch is available. Restrict access to the /formLoginAuth.htm file to minimize the risk of exploitation. Avoid using the authCode/goURL argument in the affected endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Authentication

Improper Authentication

Weakness Enumeration

CWE-306

CWE-287

Related Identifiers

BDU:2025-07823

CVE-2025-6916

Affected Products

Totolink T6

References · 14

• 🔥 https://github.com/c0nyy/IoT_vuln/blob/main/TOTOLINK%20T6%20Vuln.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-6916 · Security Note
• https://osv.dev/vulnerability/CVE-2025-6916 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-07823 · Security Note
• https://vuldb.com/?ctiid.314409 · Note
• https://t.me/cvenotify/127168 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1939761696832119054 · Twitter Post
• https://vuldb.com/?submit.605101 · Note
• https://vuldb.com/?id.314409 · Note
• https://totolink.net · Note
• https://twitter.com/CveFindCom/status/1939733253625123041 · Twitter Post
• https://twitter.com/CVEnew/status/1939739417331044861 · Twitter Post
• https://t.me/cvenotify/127838 · Telegram Post
• https://t.me/cvetracker/27451 · Telegram Post