VULNERABILITY INTELLIGENCE

CVE-2020-14993

CVSS score9.8 CRITICAL
EPSS probability5.54%
CISA KEVNot currently listed
Published2020-06-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references