DrayTek Vigor2960 1.5.1.6 Revision 8218 IPsec mainfunction.cgi ruequest_certificate option command injection

Summaryinfo

A vulnerability classified as critical has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218. This impacts the function ruequest_certificate of the file /cgi-bin/mainfunction.cgi of the component IPsec Handler. Performing a manipulation of the argument option results in command injection. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability was named CVE-2026-113397. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to upgrade the affected component. The vendor explains: "2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)".

Detailsinfo

A vulnerability was found in DrayTek Vigor2960 1.5.1.6 Revision 8218. It has been classified as critical. This affects the function ruequest_certificate of the file /cgi-bin/mainfunction.cgi of the component IPsec Handler. The manipulation of the argument option 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 advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-113397. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor explains: "2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)".

Upgrading to version 1.5.1.7 eliminates this vulnerability. The upgrade is hosted for download at fw.draytek.com.tw.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• DrayTek

Name

• Vigor2960

Version

• 1.5.1.6 Revision 8218

License

• commercial

Support

• end of life

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Submitinfo

Accepted

• Submit #992250: DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218) Authenticated ruequest_certificate Command Injection (by eqqie)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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