CVE-2026-51730
Unauthorized Removal of Wi‑Fi ACL Rules via POST Request
CVSS v3
9.1
CRITICAL
EPSS Score
0.5 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Incorrect access control in the delWiFiAclRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove Wi-Fi ACL rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Technical details
- Published
- 2026-08-31
- Last Modified
- 2026-08-31
Frequently asked questions
What is CVE-2026-51730?
Incorrect access control in the delWiFiAclRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove Wi-Fi ACL rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Is CVE-2026-51730 actively exploited?
Active exploitation of CVE-2026-51730 has not been confirmed. Its EPSS score was 0.5% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-51730?
CVE-2026-51730 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2026-51730 affecting your environment?
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