CVE-2026-51683: n/a
Description
Incorrect access control in the setLanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter LAN network configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in TOTOLINK T6 4.1.5cu.748_B20211015 arises from improper access control in the setLanCfg function. An unauthenticated attacker can send a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint to alter the LAN network configuration. The CVSS 3.1 base score is 4.3, reflecting a medium impact primarily due to integrity loss without confidentiality or availability impact. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
An attacker without authentication can modify LAN network configuration settings, potentially disrupting network integrity. There is no direct confidentiality or availability impact reported. The vulnerability could allow unauthorized changes to network parameters, which may affect network behavior or security posture.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the device management interface to trusted networks and monitor for unusual configuration changes. Avoid exposing the device management interface to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a9591ceacd9273b49360686
Added to database: 08/31/2026, 14:38:06 UTC
Last enriched: 09/07/2026, 14:35:05 UTC
Last updated: 10/16/2026, 18:48:21 UTC
Views: 89
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