CVE-2023-47254

Name: CVE-2023-47254
Creator: NVD / NIST
Published: 2023-12-09T08:15:06.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.20%

Last modified Jun 17, 2026

CVE-2023-47254 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.20%

80.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Draytek	Vigor167 Firmware	5.2.2

References

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-023.txtExploit, Third Party Advisory
https://www.syss.de/pentest-blog/command-injection-via-cli-des-draytek-vigor167-syss-2023-023Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-023.txtExploit, Third Party Advisory
https://www.syss.de/pentest-blog/command-injection-via-cli-des-draytek-vigor167-syss-2023-023Third Party Advisory

Timeline

Published: Dec 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-47254?

How severe is CVE-2023-47254?

CVE-2023-47254 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.20% probability of exploitation in the next 30 days.

How do I fix CVE-2023-47254?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-47254?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST