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Vulnerability record · CVE-2024-51252 · published 1 November 2024

CVE-2024-51252: Draytek vigor3900 firmware os command injection vulnerability

Draytek · Vigor3900 Firmware

In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the restore function.

9.8 CVSS 3.1 Critical EPSS 0.82% · top 44.7% CWE-78 · OS command injection
9.8CVSS 3.1 base score
0.82%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the restore function.

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://github.com/fu37kola/cve/blob/main/DrayTek/Vigor3900/1.5.1.3/DrayTek_Vigor_3900_1.5.1.3.pdf ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-15415DrayTek Vigor routers OS command injection in cvmcfguploadDrayTek Vigor3900, Vigor2960 and Vigor300B devices before firmware 1.5.1 allow OS command injection through shell metacharacters in a filename upload…KEVEPSS 84%analysed9.8CVE-2020-8515DrayTek Vigor routers unauthenticated OS command injection in web managementDrayTek Vigor2960, Vigor3900 and Vigor300B firmware pass shell metacharacters to cgi-bin/mainfunction.cgi, allowing OS command injection. Because the…KEVEPSS 100%analysed9.8CVE-2024-51255Draytek vigor3900 firmware command injection vulnerabilityDrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the ruequest_…EPSS 0.39%9.8CVE-2024-51260Draytek vigor3900 firmware command injection vulnerabilityDrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the acme_proc…EPSS 0.62%9.8CVE-2024-51259Draytek vigor3900 firmware command injection vulnerabilityDrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the setup_cac…EPSS 0.35%9.8CVE-2024-51298Draytek vigor3900 firmware code injection vulnerabilityIn Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the doGRETunnel…EPSS 0.62%9.8CVE-2024-48153Draytek vigor3900 firmware command injection vulnerabilityDrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the get_subco…EPSS 0.68%9.8CVE-2021-42911Draytek vigor2960 firmware vulnerabilityA Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and DrayTek Vigor 300B <= 1.5.1.3 in the mainfu…EPSS 3.5%

Source: NIST National Vulnerability Database (record CVE-2024-51252), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.