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Case File

CVE-2020-14993

CRITICAL · CVSS 9.8 EPSS 5.33% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-06-23 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-14993
Severity
CRITICAL
CVSS
9.8
EPSS
5.33%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)