How severe is CVE-2024-51253?

CVE-2024-51253 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-51253 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-51253?

CVE-2024-51253 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-51253?

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-2024-51253 have an EU (EUVD) identifier?

Yes. CVE-2024-51253 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45315.

When was CVE-2024-51253 published?

CVE-2024-51253 was published on 2024-11-04 and last updated on 2026-06-17.

CVE-2024-51253

CVE-2024-51253 is a high-severity vulnerability in Draytek Vigor3900 Firmware with a CVSS 3.x base score of 8.0. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-45315
Weakness: CWE-78
Affected product: Draytek Vigor3900 Firmware
Published: 2024-11-04
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 doL2TP function.

Frequently asked questions

What is CVE-2024-51253?: In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the doL2TP function.
How severe is CVE-2024-51253?: CVE-2024-51253 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-51253 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-51253?: CVE-2024-51253 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-51253?: 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-2024-51253 have an EU (EUVD) identifier?: Yes. CVE-2024-51253 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45315.
When was CVE-2024-51253 published?: CVE-2024-51253 was published on 2024-11-04 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…

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