VDB-297920 · CVE-2024-41334 · EUVD-2025-5952

DrayTek Vigor LTE200 APPE certificate validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was 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. The impacted element is an unknown function of the component APPE Module Handler. Such manipulation leads to certificate validation. This vulnerability is referenced as CVE-2024-41334. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, 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. Affected by this issue is an unknown function of the component APPE Module Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 were discovered to not utilize certificate verification, allowing attackers to upload crafted APPE modules from non-official servers, leading to arbitrary code execution.

This vulnerability is handled as CVE-2024-41334 since 07/18/2024. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-5952). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Router Operating System

Vendor

DrayTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/18/2024 🔍
02/28/2025 +225 days 🔍
02/28/2025 +0 days 🔍
06/02/2025 +94 days 🔍

Sourcesinfo

Status: Confirmed

CVE: CVE-2024-41334 (🔍)
GCVE (CVE): GCVE-0-2024-41334
GCVE (VulDB): GCVE-100-297920
EUVD: 🔍

Entryinfo

Created: 02/28/2025 02:46
Updated: 06/02/2025 04:16
Changes: 02/28/2025 02:46 (53), 06/02/2025 04:16 (1)
Complete: 🔍
Cache ID: 216::103

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