Command Injection Vulnerability in D-Link Network Storage Devices
CVE-2026-4195

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dns-120
Dnr-202l
Dns-315l
Dns-320
Vendor
CVE Published:
15 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4195?

A serious command injection vulnerability has been identified in multiple D-Link network storage devices, including models such as DNS-120, DNS-315L, and DNR-202L. The flaw resides in the 'wizard_mgr.cgi' file, which can be manipulated by an attacker to execute arbitrary commands remotely. The affected devices are exposed to potential exploitation, allowing unauthorized users to gain control over system functions. This security weakness emphasizes the necessity for timely updates and patches to safeguard against potential attacks.

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Affected Version(s)

DNR-202L 20260205

DNR-322L 20260205

DNR-326 20260205

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-2026-4195 - Proof of Concept

References

https://vuldb.com/?id.351107
vdb-entry
https://vuldb.com/?ctiid.351107
signaturepermissions-required
https://vuldb.com/?submit.769854
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

pjq123 (VulDB User)
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