CVE-2026-51663: n/a
Description
Incorrect access control in the getWiFiApcliScan function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger wireless scans and retrieve AP-client scan results via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 9.8critical
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 getWiFiApcliScan function. An attacker without authentication can exploit this flaw by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint, which triggers wireless scans and exposes AP-client scan results. The CVSS v3.1 base score is 9.8, indicating a critical severity with network attack vector, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows unauthenticated remote attackers to perform wireless scans and obtain sensitive information about nearby access points and clients. This can lead to significant confidentiality breaches and potential further attacks on the network. The vulnerability affects the confidentiality, integrity, and availability of the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been documented at this time. Until a patch is available, restrict network access to the device's management interface and monitor for suspicious POST requests to /cgi-bin/cstecgi.cgi.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a9206c6acd9273b4963cec7
Added to database: 08/28/2026, 22:08:06 UTC
Last enriched: 09/07/2026, 14:28:20 UTC
Last updated: 10/12/2026, 18:48:20 UTC
Views: 80
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