Vulnerability Intelligence Report
CVE-2020-14993
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:5.33%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| draytek | vigor300b_firmware | all |
| draytek | vigor300b | all |
| draytek | vigor2960_firmware | all |
| draytek | vigor2960 | all |
| draytek | vigor3900_firmware | all |
| draytek | vigor3900 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
5.328%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2020-06-23T00:00:00 |
| Published | 2020-06-23T11:50:58 |
| Last Updated | 2024-08-04T13:00:52 |
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