Vulnerability Description
Incorrect access control in the getSysStatusCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain sensitive information such as operation mode, firmware version, serial number, WAN/LAN IP addresses, WiFi SSID, encryption keys, and connected client statistics via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README
- https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.m
- https://www.totolink.net/
- https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.ht
FAQ
What is CVE-2026-51617?
CVE-2026-51617 is a vulnerability with a CVSS score of 7.5 (HIGH). Incorrect access control in the getSysStatusCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain sensitive information such as operation mode, firmware version,...
How severe is CVE-2026-51617?
CVE-2026-51617 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-51617?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.