CVE-2026-51618

Access Control Bypass Exposing Router Configuration

Published Aug 28, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Incorrect access control in the getWizardCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain setup wizard and onboarding configuration information 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 Access Control Bypass Exposing Router Configuration
Type Values Removed Values Added
Title Unauthenticated Access to Setup Wizard Configuration in TOTOLINK T6 4.1.5cu
Weaknesses CWE-200
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'}

ssvc

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

Type Values Removed Values Added
First Time appeared Totolink
Totolink t6
Vendors & Products Totolink
Totolink t6
Type Values Removed Values Added
Title Unauthenticated Access to Setup Wizard Configuration in TOTOLINK T6 4.1.5cu
Weaknesses CWE-200
CWE-284
Type Values Removed Values Added
Description Incorrect access control in the getWizardCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain setup wizard and onboarding configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 1, 2026, 4:14 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Deferred
Published
Aug 28, 2026, 8:18 PM
Modified
Sep 1, 2026, 5:17 PM