Improper Access Controls in D-Link Network Storage Devices
CVE-2026-5312

6.9MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5312?

A vulnerability exists in several D-Link network storage devices due to improper access controls in the function handlers within the cgi-bin/dsk_mgr.cgi file. This weakness could allow remote attackers to manipulate access permissions, potentially leading to unauthorized access to sensitive information or the ability to execute unauthorized commands. Various models, including the DNS-120 and DNS-1550-04, are affected, making this a widespread concern for users of D-Link storage solutions. Given that the exploit methods are publicly available, it is crucial for users to implement immediate security measures.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

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-2026-5312 - Proof of Concept

References

https://vuldb.com/vuln/354641
vdb-entrytechnical-description
https://vuldb.com/vuln/354641/cti
signaturepermissions-required
https://vuldb.com/submit/780442
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
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

Ziyue Xie (VulDB User)
JSON
.