Path Traversal in Draytek Vigor2960
CVE-2026-113395
A security flaw has been discovered in DrayTek Vigor2960 1.5.1.6 Revision 8218. The affected element is the function cgiEscape of the file /cgi-bin/mainfunction.cgi of the component swmconfigupload. The manipulation of the argument multipart results in path traversal. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.5.1.7 is sufficient to fix this issue. The affected component should be upgraded. 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 · last modified .
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
- vuldb.com/vuln/422671 (technical-description, vdb-entry)
- vuldb.com/vuln/422671/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-113395 (third-party-advisory)
- vuldb.com/submit/992248 (third-party-advisory)
- github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV… (exploit)
- fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zip (patch)
Frequently asked questions
- What is CVE-2026-113395?
- CVE-2026-113395 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-2026-113395?
- High severity. CVSS v3 base score is 7.4 out of 10.