Command Injection Vulnerability in DrayTek Vigor2960 Router
CVE-2026-129452

9.4CRITICAL

Key Information:

Vendor

Draytek
Status
Vigor2960
Vendor
CVE Published:
15 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-129452?

A command injection vulnerability exists in DrayTek Vigor2960 version 1.5.1.6 due to inadequate input validation in the set_table function of the /cgi-bin/mainfunction.cgi file. An attacker can exploit this weakness remotely by manipulating the 'jsondata' argument, allowing unauthorized commands to be executed on the device. Users are advised to upgrade to version 1.5.1.7, which addresses this issue along with several other security improvements recommended by the vendor, DrayTek.

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-2026-129452 - Proof of Concept

References

https://vuldb.com/vuln/437463
vdb-entrytechnical-description
https://vuldb.com/vuln/437463/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-129452
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
.