CVE-2026-51688

Unauthenticated HTTP POST Exploit Reduces WiFi Power or Causes DoS

Published Aug 31, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Incorrect access control in the setWiFiSignalCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reduce wireless power or cause a Denial of Service (DoS) 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 HTTP POST Exploit Reduces WiFi Power or Causes DoS
Type Values Removed Values Added
Title Unauthenticated Access Control Failure Allowing Wireless Power Reduction and Denial of Service on TOTOLINK T6 Routers
Weaknesses CWE-285
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

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

Type Values Removed Values Added
Title Unauthenticated Access Control Failure Allowing Wireless Power Reduction and Denial of Service on TOTOLINK T6 Routers
Weaknesses CWE-285
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 setWiFiSignalCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reduce wireless power or cause a Denial of Service (DoS) via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 2, 2026, 4:03 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Deferred
Published
Aug 31, 2026, 3:17 PM
Modified
Sep 2, 2026, 4:17 PM