Path Traversal in Draytek Vigor2960
CVE-2026-113392
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Draytek Vigor2960 — versions 1.5.1.6 Revision 8218
Weakness classification (CWE)
References
- fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zip (patch)
- github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV… (exploit)
- CVE-2026-113392 | CVE Analysis and Report (third-party-advisory)
- Submit #992245 | DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218) uthenticated apmupload Path Traversal File Clobber (third-party-advisory)
- VDB-422668 | DrayTek Vigor2960 Apmupload mainfunction.cgi path traversal (technical-description, vdb-entry)
- VDB-422668 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-113392?
- CVE-2026-113392 is a high-severity vulnerability in Draytek Vigor2960, classified under Path Traversal. CVSS score: 7.4/10. Published 2026-10-20.
- How severe is CVE-2026-113392?
- High severity. CVSS v3 base score is 7.4 out of 10.