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VULNERABILITIES

CVE-2020-14993 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/dexterone/Vigor-poc CVEExploitThird Party Advisory
https://www.draytek.com/about/security-advisory CVEVendor Advisory
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29 CVE
https://github.com/dexterone/Vigor-poc [email protected]ExploitThird Party Advisory
https://www.draytek.com/about/security-advisory [email protected]Vendor Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-14993
NVD Published Date:
Jun 23, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-14993 Details - Not Deferred