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Vulnerability record · CVE-2023-47254 · published 9 December 2023

CVE-2023-47254: Draytek vigor167 firmware os command injection vulnerability

Draytek · Vigor167 Firmware

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.

9.8 CVSS 3.1 Critical EPSS 2.2% · top 18.2% CWE-78 · OS command injection
9.8CVSS 3.1 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2023-47254), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.