CVE-2026-51735

Unauthenticated Retrieval of Router System Logs via Improper Access Control in TOTOLINK T6 Router

Published Aug 31, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Incorrect access control in the showSyslog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve recent system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated Retrieval of Router System Logs via Improper Access Control in TOTOLINK T6 Router
Type Values Removed Values Added
Title Unauthorized Retrieval of System Logs via showSyslog Misconfiguration
Weaknesses CWE-732
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Title Unauthorized Retrieval of System Logs via showSyslog Misconfiguration
Weaknesses CWE-284
CWE-732
Type Values Removed Values Added
First Time appeared Totolink
Totolink t6
Vendors & Products Totolink
Totolink t6
Type Values Removed Values Added
Description Incorrect access control in the showSyslog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve recent system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 1, 2026, 1:54 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Deferred
Published
Aug 31, 2026, 8:17 PM
Modified
Sep 1, 2026, 2:17 PM