Path Traversal Vulnerability in DrayTek Vigor2960 Router
CVE-2026-113392

5.3MEDIUM

Key Information:

Vendor

Draytek
Status
Vigor2960
Vendor
CVE Published:
20 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-113392?

A vulnerability has been identified in the DrayTek Vigor2960 router, specifically affecting the /cgi-bin/mainfunction.cgi file within the Apmupload component. This vulnerability allows for path traversal attacks, which can be executed remotely. The manipulation of the action argument exposes sensitive system files and could lead to unauthorized access. Users are strongly advised to upgrade to the latest version, 1.5.1.7, which addresses this and other security issues. It is noteworthy that the Vigor2960 is reaching the end of its support life, and only critical issues will be reviewed moving forward.

Affected Version(s)

Vigor2960 1.5.1.6 Revision 8218

Vigor2960 1.5.1.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-113392 - Proof of Concept

References

https://vuldb.com/vuln/422668
vdb-entrytechnical-description
https://vuldb.com/vuln/422668/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-113392
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

eqqie (VulDB User)
VulDB CNA Team
.