Draytek Vigor 3900 1.5.1.3 mainfunction.cgi doGRETunnel command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Draytek Vigor 3900 1.5.1.3. This vulnerability affects the function doGRETunnel of the file mainfunction.cgi. The manipulation results in command injection. This vulnerability is identified as CVE-2024-51298. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Draytek Vigor 3900 1.5.1.3. It has been classified as critical. Affected is the function doGRETunnel of the file mainfunction.cgi. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the doGRETunnel function.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2024-51298 since 10/28/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/16/2025). The MITRE ATT&CK project declares the attack technique as T1202.

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-2024-45323). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/28/2024 🔍
10/30/2024 +2 days 🔍
10/30/2024 +0 days 🔍
06/16/2025 +229 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2024-51298 (🔍)
GCVE (CVE): GCVE-0-2024-51298
GCVE (VulDB): GCVE-100-282516
EUVD: 🔍

Entryinfo

Created: 10/30/2024 14:40
Updated: 06/16/2025 02:14
Changes: 10/30/2024 14:40 (55), 03/20/2025 05:11 (1), 06/16/2025 02:14 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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