Incorrect access control in the getTracerouteCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain traceroute… (CVE-2026-51665)
Description
An access control vulnerability exists in the getTracerouteCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to retrieve traceroute diagnostic logs by sending a specially 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 incorrect access control in the getTracerouteCfg function. An attacker without authentication can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi CGI endpoint, enabling them to obtain traceroute diagnostic logs. No CVSS score or detailed impact metrics are provided, and no patch or remediation information is available from the input data.
Potential Impact
Unauthenticated attackers can access traceroute diagnostic logs, potentially exposing network diagnostic information that could aid further reconnaissance or attacks. The exact sensitivity and impact of the disclosed information are not detailed in the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected endpoint and monitor for suspicious POST requests targeting /cgi-bin/cstecgi.cgi if possible.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-rxfg-7mfh-29hq
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51665"]
Threat ID: 6a92f807acd9273b49e90acc
Added to database: 08/29/2026, 15:17:27 UTC
Last enriched: 09/09/2026, 19:08:49 UTC
Last updated: 10/12/2026, 06:48:17 UTC
Views: 31
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