CVE-2026-51684: n/a
Description
Incorrect access control in the setStorageCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter the storage-related service state via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 9.8critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-51684 affects TOTOLINK T6 version 4.1.5cu.748_B20211015. It is caused by improper access control in the setStorageCfg function, which does not require authentication. An attacker can exploit this by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint, enabling unauthorized modification of storage-related service states. The CVSS 3.1 base score is 9.8, indicating critical severity with network attack vector, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows unauthenticated attackers to alter storage-related service configurations on the affected device. This can lead to complete compromise of the device's confidentiality, integrity, and availability, potentially disrupting normal operations or enabling further attacks.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time. Until a patch is available, restrict network access to the device's management interface and monitor for suspicious POST requests targeting /cgi-bin/cstecgi.cgi.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a9591ceacd9273b49360688
Added to database: 08/31/2026, 14:38:06 UTC
Last enriched: 09/07/2026, 13:41:50 UTC
Last updated: 10/13/2026, 18:48:21 UTC
Views: 55
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