Path Traversal Vulnerability in DrayTek Vigor2960 Router
CVE-2026-129450

9.4CRITICAL

Key Information:

Vendor

Draytek
Status
Vigor2960
Vendor
CVE Published:
15 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-129450?

A path traversal vulnerability exists in the DrayTek Vigor2960 router affecting version 1.5.1.6. This flaw is related to the handling of the 'option' parameter in the /cgi-bin/mainfunction.cgi?action=doWebBackup function, which allows attackers to manipulate this input to disclose sensitive data or access unauthorized files remotely. To mitigate potential exploits, users are strongly advised to upgrade to version 1.5.1.7 or later, as this new version addresses this security issue along with other enhancements.

Affected Version(s)

Vigor2960 1.5.1.6

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-2026-129450 - Proof of Concept

References

https://vuldb.com/vuln/437461
vdb-entrytechnical-description
https://vuldb.com/vuln/437461/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-129450
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
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
.