How severe is CVE-2024-51304?

CVE-2024-51304 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-51304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-51304?

CVE-2024-51304 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-51304?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-51304 have an EU (EUVD) identifier?

Yes. CVE-2024-51304 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45327.

When was CVE-2024-51304 published?

CVE-2024-51304 was published on 2024-10-30 and last updated on 2026-06-17.

CVE-2024-51304

CVE-2024-51304 is a high-severity vulnerability in Draytek Vigor3900 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-45327
Weakness: CWE-77
Affected product: Draytek Vigor3900 Firmware
Published: 2024-10-30
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2024-51304?: In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the ldap_search_dn function.
How severe is CVE-2024-51304?: CVE-2024-51304 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-51304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-51304?: CVE-2024-51304 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-51304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-51304 have an EU (EUVD) identifier?: Yes. CVE-2024-51304 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45327.
When was CVE-2024-51304 published?: CVE-2024-51304 was published on 2024-10-30 and last updated on 2026-06-17.

References

https://github.com/fu37kola/cve/blob/main/DrayTek/Vigor3900/1.5.1.3/DrayTek_Vigor_3900_1.5.1.3.pdf

Affected products (1)

cpe:2.3:o:draytek:vigor3900_firmware:1.5.1.3:*:*:*:*:*:*:*

More vulnerabilities in Draytek Vigor3900 Firmware

CVE-2024-51252 — Critical (CVSS 9.8): In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary…
CVE-2024-51260 — Critical (CVSS 9.8): DrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary…
CVE-2024-51255 — Critical (CVSS 9.8): DrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary…
CVE-2024-51259 — Critical (CVSS 9.8): DrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary…
CVE-2024-51298 — Critical (CVSS 9.8): In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary…
CVE-2024-48153 — Critical (CVSS 9.8): DrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary…

All CVEs affecting Draytek Vigor3900 Firmware →

Other CWE-77 (Command Injection) vulnerabilities

CVE-2025-70518 — Critical (CVSS 10.0): The management portal's diagnostic ping tool of Fanvil x7a firmware version 2.6.0.1182 does not handle user supplied…
CVE-2026-105484 — Critical (CVSS 10.0): A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the…
CVE-2026-105134 — Critical (CVSS 10.0): A flaw has been found in Ahsay AhsayCBS up to 10.3.2. This vulnerability affects unknown code of the file…
CVE-2026-102240 — Critical (CVSS 10.0): A vulnerability was found in Netcore NAP930 0.1.241010.141410. This affects the function eval of the file…
CVE-2026-101076 — Critical (CVSS 10.0): A vulnerability was detected in Netcore NR289-GE 1.4.5102. This affects the function system of the file…
CVE-2026-101075 — Critical (CVSS 10.0): A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of…

Browse all CWE-77 (Command Injection) vulnerabilities →