OS Command Injection Vulnerability in D-Link DIR-513 Device
CVE-2026-4465

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dir-513
Vendor
CVE Published:
20 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4465?

A vulnerability exists in the D-Link DIR-513 1.10, specifically within an undisclosed function related to the /goform/formSysCmd file. By manipulating the sysCmd parameter, an attacker can exploit this flaw to execute arbitrary OS commands remotely. This vulnerability primarily affects devices that are no longer supported by D-Link, increasing the risk for users who have not upgraded their devices or applied necessary security patches. Given the nature of the flaw, it poses a significant risk to the integrity and confidentiality of affected systems.

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Affected Version(s)

DIR-513 1.10

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-2026-4465 - Proof of Concept

References

https://vuldb.com/?id.351755
vdb-entrytechnical-description
https://vuldb.com/?ctiid.351755
signaturepermissions-required
https://vuldb.com/?submit.772866
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

AttackingLin (VulDB User)
JSON
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