CVE-2026-113392: DrayTek Vigor2960 Apmupload mainfunction.cgi path traversal
A vulnerability was found in DrayTek Vigor2960 1.5.1.6 Revision 8218. This vulnerability affects unknown code of the file /cgi-bin/mainfunction.cgi of the component Apmupload. Performing a manipulation of the argument action results in path traversal. The attack is possible to be carried out remotely. The exploit has been made public and could be used. Upgrading to version 1.5.1.7 is able to resolve this issue. Upgrading the affected component is advised. 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
DrayTek Vigor2960to a version that resolves this vulnerability.Fixed in 1.5.1.7
Event History
Frequently Asked Questions
Does exploitation require an authenticated account?
Yes. The CVSS vector lists privileges required as low, indicating an attacker needs a low-privileged account. No user interaction is required.
Which systems should be prioritized for assessment?
Prioritize remotely reachable DrayTek Vigor2960 devices running version 1.5.1.6 Revision 8218. The issue is limited to products that are no longer supported by the maintainer.
What remediation is available?
Upgrade the Vigor2960 firmware to version 1.5.1.7, which resolves the issue. The vendor notes that the Vigor2960 is end of support and receives only limited review for major issues.