Path Traversal Vulnerability in DrayTek Vigor2960 Router by DrayTek
CVE-2026-113395

5.3MEDIUM

Key Information:

Vendor

Draytek
Status
Vigor2960
Vendor
CVE Published:
20 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-113395?

A vulnerability has been identified in the DrayTek Vigor2960 router where the function cgiEscape in the file /cgi-bin/mainfunction.cgi allows for path traversal through the manipulation of the multipart argument. This flaw can be exploited remotely, potentially leading to unauthorized access of sensitive information or system compromise. Users are strongly encouraged to upgrade to version 1.5.1.7 to mitigate this issue. It is important to note that the affected product is considered End of Support (EoS), meaning that only critical vulnerabilities are addressed 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-2026-113395 - Proof of Concept

References

https://vuldb.com/vuln/422671
vdb-entrytechnical-description
https://vuldb.com/vuln/422671/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-113395
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
.