CVSS v3
9.8
CRITICAL
EPSS Score
11.6%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.
A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.
Active exploitation of CVE-2020-14993 has not been confirmed. The EPSS score is 11.6%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2020-14993 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).