CVE-2026-51662: n/a
Description
Incorrect access control in the getCloudSrvCheckStatus function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain cloud firmware check status information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-51662 affects TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. Due to improper access control in the getCloudSrvCheckStatus function, unauthenticated attackers can send a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint and obtain cloud firmware check status information. This is classified under CWE-284 (Improper Access Control). The CVSS 3.1 base score is 7.5, reflecting a network attack vector with no privileges required, no user interaction, and high confidentiality impact but no impact on integrity or availability. There is no known exploit in the wild and no vendor advisory or patch information available at this time.
Potential Impact
An attacker without authentication can obtain sensitive cloud firmware check status information from the affected device. This exposure could potentially aid further reconnaissance or targeted attacks but does not directly impact system integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the affected endpoint if possible 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: 6a9206c6acd9273b4963cec5
Added to database: 08/28/2026, 22:08:06 UTC
Last enriched: 09/07/2026, 14:28:14 UTC
Last updated: 10/12/2026, 18:48:20 UTC
Views: 83
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