OS Command Injection Vulnerability in D-Link ShareCenter NAS Devices
CVE-2026-8271

5.1MEDIUM

Key Information:

Vendor

D-link
Status
Dns-320
Vendor
CVE Published:
11 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8271?

A significant vulnerability has been found in the D-Link DNS-320 ShareCenter NAS, particularly in the network_mgr.cgi script. This vulnerability allows remote attackers to inject operating system commands via specific parameters in multiple CGI functions. Given that the exploit is already publicly available, it poses a serious risk to users who have not updated to the latest firmware version. Administrators should ensure that their devices are secured and monitor for unauthorized access.

Affected Version(s)

DNS-320 2.06B01

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-2026-8271 - Proof of Concept

References

https://vuldb.com/vuln/362568
vdb-entrytechnical-description
https://vuldb.com/vuln/362568/cti
signaturepermissions-required
https://vuldb.com/submit/810078
third-party-advisory

CVSS V4

Score:
5.1
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

ST4R (VulDB User)
.