How severe is CVE-2024-46590?

CVE-2024-46590 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-46590 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-46590?

CVE-2024-46590 affects Draytek Vigor3910 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-46590?

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-2024-46590 have an EU (EUVD) identifier?

Yes. CVE-2024-46590 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41899.

When was CVE-2024-46590 published?

CVE-2024-46590 was published on 2024-09-18 and last updated on 2026-06-17.

CVE-2024-46590

CVE-2024-46590 is a high-severity vulnerability in Draytek Vigor3910 Firmware with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-41899
Weakness: CWE-120
Affected product: Draytek Vigor3910 Firmware
Published: 2024-09-18
Last modified: 2026-06-17

Description

Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the ssidencrypt%d parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Frequently asked questions

What is CVE-2024-46590?: Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the ssidencrypt%d parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
How severe is CVE-2024-46590?: CVE-2024-46590 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-46590 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-46590?: CVE-2024-46590 affects Draytek Vigor3910 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-46590?: 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-2024-46590 have an EU (EUVD) identifier?: Yes. CVE-2024-46590 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41899.
When was CVE-2024-46590 published?: CVE-2024-46590 was published on 2024-09-18 and last updated on 2026-06-17.

References

https://ink-desk-28f.notion.site/Draytek-vigor-3910-Analysis-Report-b3b23e150c4f4bab822c3c47fd7b9de9#e0a960e24de649b3a67c21a63592d82f

Affected products (1)

cpe:2.3:o:draytek:vigor3910_firmware:4.3.2.6:*:*:*:*:*:*:*

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