CVE-2023-47254: draytek vigor167_firmware OS Command Injection

Vulnerability summary

CVE-2023-47254 is a critical (CVSS 9.8) OS Command Injection vulnerability in draytek vigor167_firmware. EPSS estimates a 2.20% chance of exploitation in the next 30 days, higher than 82.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 09-12-2023
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

An OS Command Injection in the CLI interface on DrayTek Vigor167 version 5.2.2, allows remote attackers to execute arbitrary system commands and escalate privileges via any account created within the web interface.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.