CVSS v3
9.8
CRITICAL
EPSS Score
1.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
EPON CPE-WiFi devices 2.0.4-X000 are vulnerable to escalation of privileges by sending cooLogin=1, cooUser=admin, and timestamp=-1 cookies.
Technical details
- Published
- 2019-01-03
Frequently asked questions
What is CVE-2018-20512?
EPON CPE-WiFi devices 2.0.4-X000 are vulnerable to escalation of privileges by sending cooLogin=1, cooUser=admin, and timestamp=-1 cookies.
Is CVE-2018-20512 actively exploited?
Active exploitation of CVE-2018-20512 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-20512?
CVE-2018-20512 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-20512 affecting your environment?
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