Command Injection Vulnerability in DrayTek Vigor2960 Router
CVE-2026-113397

5.3MEDIUM

Key Information:

Vendor

Draytek
Status
Vigor2960
Vendor
CVE Published:
20 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-113397?

A command injection vulnerability exists in the DrayTek Vigor2960 router, specifically targeting the 'ruequest_certificate' function within the IPsec Handler. This flaw allows remote attackers to manipulate request parameters and execute arbitrary commands on the affected device. The vulnerability affects version 1.5.1.6, which is no longer supported and poses a significant security risk. Users are advised to upgrade to version 1.5.1.7, which addresses multiple security concerns and ensures continued protection. Given the end-of-support status of this product, prompt action to upgrade is critical.

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-2026-113397 - Proof of Concept

References

https://vuldb.com/vuln/422673
vdb-entrytechnical-description
https://vuldb.com/vuln/422673/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-113397
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
.