Description
Incorrect access control in the setWiFiRepeaterCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to repoint the device to an attacker-controlled upstream Wi-Fi via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Published: 2026-08-31
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 02 Sep 2026 05:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Upstream Wi‑Fi Reconfiguration via POST Request in TOTOLINK T6

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 01 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Mon, 31 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink t6
Vendors & Products Totolink
Totolink t6

Mon, 31 Aug 2026 18:45:00 +0000

Type Values Removed Values Added
Title Unauthenticated Upstream Wi‑Fi Reconfiguration via POST Request in TOTOLINK T6
Weaknesses CWE-284

Mon, 31 Aug 2026 17:00:00 +0000

Type Values Removed Values Added
Description Incorrect access control in the setWiFiRepeaterCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to repoint the device to an attacker-controlled upstream Wi-Fi via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-01T15:08:15.144Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-51722

cve-icon Vulnrichment

Updated: 2026-09-01T15:07:03.412Z

cve-icon NVD

Status : Deferred

Published: 2026-08-31T17:17:41.730

Modified: 2026-09-01T15:17:18.160

Link: CVE-2026-51722

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T04:45:17Z

Weaknesses