How severe is CVE-2024-46316?

CVE-2024-46316 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-2024-46316 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-46316?

CVE-2024-46316 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-46316?

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-2024-46316 have an EU (EUVD) identifier?

Yes. CVE-2024-46316 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41815.

When was CVE-2024-46316 published?

CVE-2024-46316 was published on 2024-10-09 and last updated on 2026-06-17.

CVE-2024-46316

CVE-2024-46316 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-41815
Weakness: CWE-78
Affected product: Draytek Vigor3900 Firmware
Published: 2024-10-09
Last modified: 2026-06-17

Description

DrayTek Vigor3900 v1.5.1.6 was discovered to contain a command injection vulnerability via the sub_2C920 function at /cgi-bin/mainfunction.cgi. This vulnerability allows attackers to execute arbitrary commands via supplying a crafted HTTP message.

Frequently asked questions

What is CVE-2024-46316?: DrayTek Vigor3900 v1.5.1.6 was discovered to contain a command injection vulnerability via the sub_2C920 function at /cgi-bin/mainfunction.cgi. This vulnerability allows attackers to execute arbitrary commands via supplying a crafted HTTP message.
How severe is CVE-2024-46316?: CVE-2024-46316 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-2024-46316 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-46316?: CVE-2024-46316 affects Draytek Vigor3900 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-46316?: 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-2024-46316 have an EU (EUVD) identifier?: Yes. CVE-2024-46316 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41815.
When was CVE-2024-46316 published?: CVE-2024-46316 was published on 2024-10-09 and last updated on 2026-06-17.

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/DaryTek/vigor3900_4.md

Affected products (1)

cpe:2.3:o:draytek:vigor3900_firmware:1.5.1.6:*:*:*:*:*:*:*

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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