Incorrect access control in the SystemSettings function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve administrative import and export endpoint information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00239.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

No data.

No data.

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Vendors Products
Totolink Subscribe
T6 Subscribe

Project Subscriptions

Vendors Products
Totolink Subscribe
T6 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md cve-icon cve-icon cve-icon
https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html cve-icon cve-icon
History

Wed, 02 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Access Control Exposes Administrative Endpoint Data in TOTOLINK T6 Router

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

Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

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

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

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

Mon, 31 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Description Incorrect access control in the SystemSettings function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve administrative import and export endpoint information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-01T15:42:46.080Z

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

Link: CVE-2026-51727

cve-icon Vulnrichment

Updated: 2026-09-01T15:42:05.938Z

cve-icon NVD

Status : Deferred

Published: 2026-08-31T18:17:18.430

Modified: 2026-09-01T16:17:02.677

Link: CVE-2026-51727

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T00:45:04Z

Weaknesses