DrayTek Vigor LTE200 APP Enforcement unrestricted upload

Summaryinfo

A vulnerability marked as critical has been reported in DrayTek Vigor 165, Vigor 166, Vigor 2133, Vigor 2135, Vigor 2620, Vigor 2762, Vigor 2765, Vigor 2766, Vigor 2832, Vigor 2860, Vigor 2862, Vigor 2865, Vigor 2866, Vigor 2925, Vigor 2925, Vigor 2926, Vigor 2927, Vigor 2962, Vigor 3910, Vigor 3912 and Vigor LTE200. The impacted element is an unknown function of the component APP Enforcement Module. This manipulation causes unrestricted upload. This vulnerability is handled as CVE-2024-41340. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in DrayTek Vigor 165, Vigor 166, Vigor 2133, Vigor 2135, Vigor 2620, Vigor 2762, Vigor 2765, Vigor 2766, Vigor 2832, Vigor 2860, Vigor 2862, Vigor 2865, Vigor 2866, Vigor 2925, Vigor 2925, Vigor 2926, Vigor 2927, Vigor 2962, Vigor 3910, Vigor 3912 and Vigor LTE200 and classified as critical. Affected by this vulnerability is an unknown code of the component APP Enforcement Module. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 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 crafted APP Enforcement modules, leading to arbitrary code execution.

This vulnerability is known as CVE-2024-41340 since 07/18/2024. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-5923). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• DrayTek

Name

• Vigor 165
• Vigor 166
• Vigor 2133
• Vigor 2135
• Vigor 2620
• Vigor 2762
• Vigor 2765
• Vigor 2766
• Vigor 2832
• Vigor 2860
• Vigor 2862
• Vigor 2865
• Vigor 2866
• Vigor 2925
• Vigor 2925
• Vigor 2926
• Vigor 2927
• Vigor 2962
• Vigor 3910
• Vigor 3912
• Vigor LTE200

License

• commercial

CPE 2.3info

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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