Incorrect access control in the getWiFiApcliScan function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger wireless… (CVE-2026-51663)
Description
An incorrect access control vulnerability exists in the getWiFiApcliScan function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to trigger wireless scans and retrieve access point client scan results by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in TOTOLINK T6 4.1.5cu.748_B20211015 involves improper access control in the getWiFiApcliScan function. Unauthenticated attackers can exploit this by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi, which triggers wireless scans and exposes AP-client scan results. This could potentially leak sensitive network information without requiring authentication.
Potential Impact
Unauthenticated attackers can obtain wireless scan results from the affected device, potentially revealing network topology or client information. There is no indication of further exploitation such as remote code execution or denial of service from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Until a patch is available, restrict access to the device's management interface and monitor for suspicious POST requests to /cgi-bin/cstecgi.cgi.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-6rr7-922w-qjqm
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51663"]
Threat ID: 6a92f809acd9273b49e90af9
Added to database: 08/29/2026, 15:17:29 UTC
Last enriched: 09/09/2026, 19:08:40 UTC
Last updated: 10/11/2026, 18:48:20 UTC
Views: 34
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