Incorrect access control in the getWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain core… (CVE-2026-51634)
Description
An access control vulnerability in the getWiFiBasicCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve core wireless settings, including SSIDs and Wi-Fi keys, by sending a crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability exposes sensitive configuration data without requiring authentication.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-51634 describes an incorrect access control vulnerability in the getWiFiBasicCfg function of TOTOLINK T6 firmware 4.1.5cu.748_B20211015. An attacker can exploit this flaw by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint, enabling them to obtain sensitive wireless configuration details such as SSIDs and Wi-Fi keys without authentication. The vulnerability is classified under CWE-284 (Improper Access Control).
Potential Impact
The vulnerability allows unauthorized disclosure of sensitive wireless configuration information, including SSIDs and Wi-Fi keys, potentially enabling attackers to gain unauthorized network access or further compromise the affected network environment. There is no indication of impact on integrity or availability.
Mitigation Recommendations
No patch or official remediation is currently documented for this vulnerability. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected device's management interface and monitor for suspicious POST requests to /cgi-bin/cstecgi.cgi.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-j9gq-qx93-v962
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51634"]
Threat ID: 6a92f7f5acd9273b49e83b87
Added to database: 08/29/2026, 15:17:09 UTC
Last enriched: 09/09/2026, 19:52:58 UTC
Last updated: 10/11/2026, 18:48:20 UTC
Views: 29
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