CVE-2024-41339: Malicious File Upload

Published Feb 27, 2025
·
Updated

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.

Affected Software

62 affected components
DrayTek Vigor 165<4.2.6
DrayTek Vigor 166<4.2.6
DrayTek Vigor 2620<3.9.8.8
DrayTek LTE200<3.9.8.8
DrayTek Vigor 2860<3.9.7
DrayTek Vigor 2925<3.9.6
DrayTek Vigor 2862<3.9.9.4
DrayTek Vigor 2926<3.9.9.4
DrayTek Vigor 2133<3.9.8
DrayTek Vigor 2762<3.9.8
DrayTek Vigor 2832<3.9.8
DrayTek Vigor 2135<4.4.5.1
DrayTek Vigor 2765<4.4.5.1
DrayTek Vigor 2766<4.4.5.1
DrayTek Vigor 2865<4.4.5.3
DrayTek Vigor 2866<4.4.5.3
DrayTek Vigor 2927<4.4.5.3
DrayTek Vigor 2962<4.3.2.7
DrayTek Vigor 3910<4.3.2.7
DrayTek Vigor 3912<4.3.5.2
All of the following
DrayTek Vigor165 Firmware<4.2.7
DrayTek Vigor165
All of the following
DrayTek Vigor166 Firmware<4.2.7
DrayTek Vigor166
All of the following
DrayTek Vigor2620 Firmware<3.9.8.9
DrayTek Vigor2620
All of the following
DrayTek Vigorlte200 Firmware<3.9.8.9
DrayTek Vigorlte200
All of the following
DrayTek Vigor2860 Firmware<3.9.8
DrayTek Vigor2860
All of the following
DrayTek Vigor2925 Firmware<3.9.8
DrayTek Vigor2925
All of the following
DrayTek Vigor2862 Firmware<3.9.9.5
DrayTek Vigor2862
All of the following
DrayTek Vigor2926 Firmware<3.9.9.5
DrayTek Vigor2926
All of the following
DrayTek Vigor2133 Firmware<3.9.9
DrayTek Vigor2133
All of the following
DrayTek Vigor2762 Firmware<3.9.9
DrayTek Vigor2762
All of the following
DrayTek Vigor2832 Firmware<3.9.9
DrayTek Vigor2832
All of the following
DrayTek Vigor2135 Firmware<4.4.5.1
DrayTek Vigor2135
All of the following
DrayTek Vigor2765 Firmware<4.4.5.1
DrayTek Vigor2765
All of the following
DrayTek Vigor2766 Firmware<4.4.5.1
DrayTek Vigor2766
All of the following
DrayTek Vigor2865 Firmware<4.4.5.3
DrayTek Vigor2865
All of the following
DrayTek Vigor2866 Firmware<4.4.5.3
DrayTek Vigor2866
All of the following
DrayTek Vigor2927 Firmware<4.4.5.3
DrayTek Vigor2927
All of the following
Any of the following
DrayTek Vigor2962 Firmware<4.3.2.8
DrayTek Vigor2962 Firmware=4.4.3.0
DrayTek Vigor2962
All of the following
Any of the following
DrayTek Vigor3910 Firmware<4.3.2.8
DrayTek Vigor3910 Firmware=4.4.3
DrayTek Vigor3910
All of the following
DrayTek Vigor3912 Firmware<4.3.6.1
DrayTek Vigor3912

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Draytek Vigor 165/166 to a version that resolves this vulnerability.

    Fixed in 4.2.6
  2. Upgrade

    Upgrade Draytek Vigor 2620/LTE200 to a version that resolves this vulnerability.

    Fixed in 3.9.8.8
  3. Upgrade

    Upgrade Draytek Vigor 2860/2925 to a version that resolves this vulnerability.

    Fixed in 3.9.7
  4. Upgrade

    Upgrade Draytek Vigor 2862/2926 to a version that resolves this vulnerability.

    Fixed in 3.9.9.4
  5. Upgrade

    Upgrade Draytek Vigor 2133/2762/2832 to a version that resolves this vulnerability.

    Fixed in 3.9.8
  6. Upgrade

    Upgrade Draytek Vigor 2135/2765/2766 to a version that resolves this vulnerability.

    Fixed in 4.4.5.1
  7. Upgrade

    Upgrade Draytek Vigor 2865/2866/2927 to a version that resolves this vulnerability.

    Fixed in 4.4.5.3
  8. Upgrade

    Upgrade Draytek Vigor 2962/3910 to a version that resolves this vulnerability.

    Fixed in 4.3.2.7
  9. Upgrade

    Upgrade Draytek Vigor 3912 to a version that resolves this vulnerability.

    Fixed in 4.3.5.2
  10. Upgrade

    Upgrade Draytek Vigor 2925 to a version that resolves this vulnerability.

    Fixed in 3.9.6

Event History

Feb 27, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2024-41339?

CVE-2024-41339 is considered to have high severity due to the potential for unauthorized configuration uploads on affected Draytek devices.

2

How do I fix CVE-2024-41339?

To fix CVE-2024-41339, update your Draytek device firmware to the latest version, as indicated in the vulnerability disclosure.

3

Which devices are impacted by CVE-2024-41339?

CVE-2024-41339 affects multiple Draytek devices including Vigor 165, 166, 2620, 2860, 2862, and several other models prior to specific versions.

4

What type of vulnerability is CVE-2024-41339?

CVE-2024-41339 is a configuration upload vulnerability that could allow unauthorized users to upload malicious configuration files to the devices.

5

Are Draytek routers commonly affected by vulnerabilities like CVE-2024-41339?

Yes, Draytek routers have been known to be affected by various vulnerabilities, which emphasizes the importance of regular firmware updates and security assessments.

Contact

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