How severe is CVE-2024-45891?

CVE-2024-45891 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-2024-45891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-45891?

CVE-2024-45891 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-45891?

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-2024-45891 have an EU (EUVD) identifier?

Yes. CVE-2024-45891 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41651.

When was CVE-2024-45891 published?

CVE-2024-45891 was published on 2024-11-04 and last updated on 2026-06-17.

CVE-2024-45891

CVE-2024-45891 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% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-41651
Weakness: CWE-78
Affected product: Draytek Vigor3900 Firmware
Published: 2024-11-04
Last modified: 2026-06-17

Description

DrayTek Vigor3900 1.5.1.3 contains a post-authentication command injection vulnerability. This vulnerability occurs when the `action` parameter in `cgi-bin/mainfunction.cgi` is set to `delete_wlan_profile.`

Frequently asked questions

What is CVE-2024-45891?: DrayTek Vigor3900 1.5.1.3 contains a post-authentication command injection vulnerability. This vulnerability occurs when the `action` parameter in `cgi-bin/mainfunction.cgi` is set to `delete_wlan_profile.`
How severe is CVE-2024-45891?: CVE-2024-45891 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-2024-45891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-45891?: CVE-2024-45891 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-45891?: 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-2024-45891 have an EU (EUVD) identifier?: Yes. CVE-2024-45891 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41651.
When was CVE-2024-45891 published?: CVE-2024-45891 was published on 2024-11-04 and last updated on 2026-06-17.

References

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…
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