OS Command Injection Vulnerability in D-Link DWR-M920 Router
CVE-2026-90699

9.4CRITICAL

Key Information:

Vendor

D-link
Status
Dwr-m920
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90699?

A vulnerability has been identified in the D-Link DWR-M920 router version 1.1.7, specifically in the function sub_41E60C located in the file /boafrm/formPinManageSetup. This security flaw allows for the manipulation of the 'newPin' argument, leading to potential OS command injection. Exploitation of this vulnerability can be executed remotely, posing a significant risk. The exploit details have been publicly disseminated, highlighting the urgency for users to secure their devices against potential attacks.

Affected Version(s)

DWR-M920 1.1.7

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-2026-90699 - Proof of Concept

References

https://vuldb.com/vuln/403232
vdb-entrytechnical-description
https://vuldb.com/vuln/403232/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90699
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

H3rmesk1t (VulDB User)
.