DrayTek Vigor 3900 1.5.1.3 mainfunction.cgi sign_cacertificate command injection

Summaryinfo

A vulnerability classified as critical has been found in DrayTek Vigor 3900 1.5.1.3. This affects the function sign_cacertificate of the file mainfunction.cgi. Performing a manipulation results in command injection. This vulnerability was named CVE-2024-51254. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in DrayTek Vigor 3900 1.5.1.3. This affects the function sign_cacertificate 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. The summary by CVE is:

DrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the sign_cacertificate function.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2024-51254 since 10/28/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2024). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

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Productinfo

Type

• Router Operating System

Vendor

• DrayTek

Name

• Vigor 3900

Version

• 1.5.1.3

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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