Incorrect access control in the setStorageCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter the… (CVE-2026-51684)
Description
An incorrect access control vulnerability exists in the setStorageCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to modify storage-related service states by sending crafted POST requests 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 setStorageCfg function. Unauthenticated attackers can exploit this by sending specially crafted POST requests to the /cgi-bin/cstecgi.cgi CGI endpoint, enabling them to alter storage-related service configurations without authentication.
Potential Impact
Successful exploitation allows an unauthenticated attacker to change storage-related service states on the affected device. This could lead to unauthorized configuration changes impacting device functionality or security posture. No further impact details or exploitation in the wild are reported.
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 device's management interface and monitor for suspicious POST requests targeting /cgi-bin/cstecgi.cgi.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-h46m-375q-8mq9
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51684"]
Threat ID: 6a95befeacd9273b496676d2
Added to database: 08/31/2026, 17:50:54 UTC
Last enriched: 09/08/2026, 16:23:39 UTC
Last updated: 10/14/2026, 06:48:18 UTC
Views: 28
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