Incorrect access control in the getCloudSrvCheckStatus function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain… (CVE-2026-51662)
Description
An incorrect access control vulnerability exists in the getCloudSrvCheckStatus function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to retrieve cloud firmware check status information by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. No patch or remediation information is currently available.
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 getCloudSrvCheckStatus function. An attacker without authentication can exploit this by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi CGI endpoint to obtain cloud firmware check status information. This information disclosure could potentially aid attackers in reconnaissance but does not directly indicate further exploitation capabilities. No CVSS score or detailed impact metrics are provided.
Potential Impact
Unauthenticated attackers can obtain cloud firmware check status information from the affected device. This information disclosure may assist attackers in understanding the device's firmware state but does not directly result in system compromise or control based on the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected endpoint where possible and monitor for unusual POST requests targeting /cgi-bin/cstecgi.cgi.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-6hf3-gh9x-pxf6
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51662"]
Threat ID: 6a92f809acd9273b49e90afb
Added to database: 08/29/2026, 15:17:29 UTC
Last enriched: 09/09/2026, 19:08:36 UTC
Last updated: 10/13/2026, 18:48:21 UTC
Views: 74
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