VDB-278076 · CVE-2024-46593 · EUVD-2024-41902

Draytek Vigor 3910 4.3.2.6 cgiswm.cgi trapcomm buffer overflow

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Draytek Vigor 3910 4.3.2.6. The impacted element is an unknown function of the file cgiswm.cgi. The manipulation of the argument trapcomm results in buffer overflow. This vulnerability is identified as CVE-2024-46593. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Draytek Vigor 3910 4.3.2.6. Affected is an unknown functionality of the file cgiswm.cgi. The manipulation of the argument trapcomm with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. CVE summarizes:

Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the trapcomm parameter at cgiswm.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

The advisory is shared for download at ink-desk-28f.notion.site. This vulnerability is traded as CVE-2024-46593 since 09/11/2024. The exploitability is told to be easy. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-41902). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Draytek

Name

Vigor 3910

Version

4.3.2.6

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.7
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/11/2024 🔍
09/18/2024 +7 days 🔍
09/18/2024 +0 days 🔍
06/15/2025 +270 days 🔍

Sourcesinfo

Advisory: ink-desk-28f.notion.site
Status: Not defined

CVE: CVE-2024-46593 (🔍)
GCVE (CVE): GCVE-0-2024-46593
GCVE (VulDB): GCVE-100-278076
EUVD: 🔍

Entryinfo

Created: 09/18/2024 18:34
Updated: 06/15/2025 23:07
Changes: 09/18/2024 18:34 (55), 03/18/2025 03:01 (12), 06/15/2025 23:07 (1)
Complete: 🔍
Cache ID: 216::103