CVE-2026-113393: draytek vigor2960 Improper Access Control

Vulnerability summary

CVE-2026-113393 is a medium (CVSS 6.5) Improper Access Control vulnerability in draytek vigor2960. 1 public exploit is recorded.

Timeline

1. 20-10-2026
   PublishedVulnerability first disclosed.
2. 20-10-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was determined in DrayTek Vigor2960 1.5.1.6 Revision 8218. This issue affects some unknown processing of the file /cgi-bin/mainfunction.cgi of the component commonupload. Executing a manipulation of the argument upload_path/upload_name can lead to unrestricted upload. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Upgrading to version 1.5.1.7 is capable of addressing this issue. It is advisable 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.)". This vulnerability only affects products that are no longer supported by the maintainer.

• CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
• CWE-434Unrestricted Upload of File with Dangerous TypeThe product allows the upload or transfer of dangerous file types that are automatically processed within its environment.