Stack-based Buffer Overflow in D-Link DIR-513 Router
CVE-2026-5024

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5024?

A vulnerability exists in D-Link DIR-513 1.10 that affects the function formSetEmail located in the file /goform/formSetEmail. An attacker can remotely exploit this vulnerability by manipulating the curTime argument, leading to a stack-based buffer overflow. This issue poses serious security risks as the exploit is publicly accessible and can be executed by attackers. Notably, this vulnerability impacts products that are no longer supported by the vendor, further increasing the risk for users.

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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-2026-5024 - Proof of Concept

References

https://vuldb.com/vuln/353908
vdb-entrytechnical-description
https://vuldb.com/vuln/353908/cti
signaturepermissions-required
https://vuldb.com/submit/778414
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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

LtzHust2 (VulDB User)
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