Command Injection Vulnerability in D-Link DWR-M921 Router
CVE-2026-2169

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dwr-m921
Vendor
CVE Published:
8 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2169?

A command injection vulnerability exists in the D-Link DWR-M921 router version 1.1.50. This flaw affects a specific function within the file /boafrm/formLtefotaUpgradeFibocom, allowing an attacker to manipulate the 'fota_url' argument. Exploiting this vulnerability enables unauthorized users to execute arbitrary commands on the device remotely, potentially compromising the router's security and the integrity of the network it serves. The exploit has been made publicly accessible, increasing the urgency for users to apply necessary security measures.

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Affected Version(s)

DWR-M921 1.1.50

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-2026-2169 - Proof of Concept

References

https://vuldb.com/?id.344871
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344871
signaturepermissions-required
https://vuldb.com/?submit.748930
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

LX-66-LX (VulDB User)
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