CVE-2026-51665: n/a
Description
Incorrect access control in the getTracerouteCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain traceroute diagnostic logs 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 involves incorrect access control in the getTracerouteCfg function of TOTOLINK T6 4.1.5cu.748_B20211015. An attacker without authentication can exploit this flaw by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi CGI endpoint to obtain traceroute diagnostic logs. The issue is identified as CWE-284 (Improper Access Control). No official patch or remediation information is currently available, and no known exploits are reported in the wild.
Potential Impact
An unauthenticated attacker can access traceroute diagnostic logs, potentially exposing network diagnostic information. The vulnerability does not impact integrity or availability, and the confidentiality impact is limited to information disclosure of traceroute logs only.
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 if possible and monitor for suspicious POST requests targeting /cgi-bin/cstecgi.cgi. No vendor advisory or patch links are currently provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a9206c6acd9273b4963cecb
Added to database: 08/28/2026, 22:08:06 UTC
Last enriched: 09/07/2026, 14:40:02 UTC
Last updated: 10/13/2026, 18:48:21 UTC
Views: 82
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