Command Injection Vulnerability in DrayTek Vigor2960 by DrayTek
CVE-2026-129449

9.4CRITICAL

Key Information:

Vendor

Draytek
Status
Vigor2960
Vendor
CVE Published:
15 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-129449?

A security vulnerability has been identified in the DrayTek Vigor2960 that allows remote command injection via manipulation of the swmconfigupload argument in the mainfunction.cgi file. Existing in versions up to 1.5.1.6, this flaw can be exploited by attackers to execute arbitrary commands on the affected system. To remediate this vulnerability, it's imperative to upgrade to version 1.5.1.7, which addresses this issue along with other security improvements. The vendor emphasizes the necessity of staying updated to mitigate potential threats.

Affected Version(s)

Vigor2960 1.5.1.0

Vigor2960 1.5.1.1

Vigor2960 1.5.1.2

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-2026-129449 - Proof of Concept

References

https://vuldb.com/vuln/437460
vdb-entrytechnical-description
https://vuldb.com/vuln/437460/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-129449
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
.