How severe is CVE-2024-41339?

CVE-2024-41339 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-2024-41339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-41339?

CVE-2024-41339 primarily affects Draytek Vigor165 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-41339?

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-2024-41339 have an EU (EUVD) identifier?

Yes. CVE-2024-41339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5950.

When was CVE-2024-41339 published?

CVE-2024-41339 was published on 2025-02-27 and last updated on 2026-07-05.

CVE-2024-41339

CVE-2024-41339 is a high-severity vulnerability in Draytek Vigor165 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-5950
Weakness: CWE-434
Affected product: Draytek Vigor165 Firmware
Published: 2025-02-27
Last modified: 2026-07-05

Description

An issue in the CGI endpoint used to upload configurations in Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7, Vigor 2862/2926 prior to v3.9.9.4, Vigor 2133/2762/2832 prior to v3.9.8, Vigor 2135/2765/2766 prior to v4.4.5.1, Vigor 2865/2866/2927 prior to v4.4.5.3, Vigor 2962/3910 prior to v4.3.2.7, Vigor 3912 prior to v4.3.5.2, and Vigor 2925 up to v3.9.6 allows attackers to upload a crafted kernel module, allowing for arbitrary code execution.

Frequently asked questions

What is CVE-2024-41339?: An issue in the CGI endpoint used to upload configurations in Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7, Vigor 2862/2926 prior to v3.9.9.4, Vigor 2133/2762/2832 prior to v3.9.8, Vigor 2135/2765/2766 prior to v4.4.5.1, Vigor 2865/2866/2927 prior to v4.4.5.3, Vigor 2962/3910 prior to v4.3.2.7, Vigor 3912 prior to v4.3.5.2, and Vigor 2925 up to v3.9.6 allows attackers to upload a crafted kernel module, allowing for arbitrary code execution.
How severe is CVE-2024-41339?: CVE-2024-41339 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-2024-41339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-41339?: CVE-2024-41339 primarily affects Draytek Vigor165 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-41339?: 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-2024-41339 have an EU (EUVD) identifier?: Yes. CVE-2024-41339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5950.
When was CVE-2024-41339 published?: CVE-2024-41339 was published on 2025-02-27 and last updated on 2026-07-05.

References

https://medium.com/faraday/advisory-multiple-vulnerabilities-affecting-draytek-routers-78a6cb8b3946

EU advisories (EUVD)

http://draytek.com

Affected products (22)

cpe:2.3:o:draytek:vigor165_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor166_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2620_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigorlte200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2860_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2925_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2862_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2926_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2133_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2762_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2832_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2135_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2765_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2766_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2865_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2866_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2927_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2962_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor2962_firmware:4.4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor3910_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor3910_firmware:4.4.3:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigor3912_firmware:*:*:*:*:*:*:*:*

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CVE-2024-41334 — High (CVSS 8.8): Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7,…
CVE-2024-41340 — High (CVSS 8.4): An issue in Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior…
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