Command Injection Vulnerability in DrayTek Vigor2960 Router Firmware
CVE-2026-113389

9.4CRITICAL

Key Information:

Vendor

Draytek
Status
Vigor2960
Vendor
CVE Published:
20 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-113389?

A command injection vulnerability exists in the DrayTek Vigor2960 router firmware version 1.5.1.6 Revision 8218 within the set_table function of the CGI Process. This vulnerability allows attackers to manipulate the 'sectiontype' argument, potentially leading to unauthorized command execution. The exploit can be executed remotely, increasing its severity. It's important to note that this vulnerability affects products that are considered End of Support (EoS), meaning that the vendor has limited the support for these devices, focusing on addressing only major issues like unauthenticated vulnerabilities. Consequently, users of affected versions are strongly advised to upgrade to the latest supported firmware to mitigate the risk.

Affected Version(s)

Vigor2960 1.5.1.6 Revision 8218

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-2026-113389 - Proof of Concept

References

https://vuldb.com/vuln/422665
vdb-entrytechnical-description
https://vuldb.com/vuln/422665/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-113389
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
.