Incorrect access control in the getInitCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain sensitive device… (CVE-2026-51621)
Description
An incorrect access control vulnerability exists in the getInitCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to retrieve sensitive device configuration information 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 is due to improper access control in the getInitCfg function. An attacker without authentication can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi CGI endpoint, which results in disclosure of sensitive device configuration data. No CVSS score or detailed impact metrics are provided in the source data. There is no information on patch availability or vendor advisories.
Potential Impact
Sensitive device configuration information can be obtained by unauthenticated attackers, potentially exposing critical settings or credentials. This could lead to further compromise or unauthorized control of the device depending on the nature of the disclosed configuration 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 device management interface and monitor for suspicious POST requests to /cgi-bin/cstecgi.cgi.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-24gj-cqmc-xxh9
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51621"]
Threat ID: 6a92f7fcacd9273b49e8af18
Added to database: 08/29/2026, 15:17:16 UTC
Last enriched: 09/09/2026, 19:09:11 UTC
Last updated: 10/12/2026, 18:48:20 UTC
Views: 21
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