Description
Incorrect access control in the getWanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain WAN configuration data via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Published: 2026-08-28
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 02 Sep 2026 08:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated WAN Configuration Disclosure in TOTOLINK T6

Wed, 02 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
Title Unauthenticated Retrieval of WAN Configuration via getWanCfg in TOTOLINK T6
Weaknesses CWE-200

Tue, 01 Sep 2026 22:00:00 +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'}

ssvc

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


Fri, 28 Aug 2026 21:15:00 +0000

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

Fri, 28 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated Retrieval of WAN Configuration via getWanCfg in TOTOLINK T6
Weaknesses CWE-200
CWE-284

Fri, 28 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
Description Incorrect access control in the getWanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain WAN configuration data via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-01T16:14:14.984Z

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

Link: CVE-2026-51622

cve-icon Vulnrichment

Updated: 2026-09-01T15:21:55.823Z

cve-icon NVD

Status : Deferred

Published: 2026-08-28T20:18:05.397

Modified: 2026-09-01T17:17:27.007

Link: CVE-2026-51622

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T08:00:14Z

Weaknesses