Buffer Overflow Vulnerability in D-Link DIR-605L Router
CVE-2026-5982

8.7HIGH

Key Information:

Vendor

D-link
Status
Dir-605l
Vendor
CVE Published:
9 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5982?

A security vulnerability in the D-Link DIR-605L router exposes the device to potential remote exploitation due to a buffer overflow in the formAdvNetwork function. This issue arises from improper handling of the curTime argument in the POST Request Handler. The flaw manifests in products that are no longer maintained by D-Link, making them particularly susceptible to attacks. With the exploit publicly available, it is crucial for users of affected versions to take necessary precautions to secure their devices.

Affected Version(s)

DIR-605L 2.13B01

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-2026-5982 - Proof of Concept

References

https://vuldb.com/vuln/356536
vdb-entrytechnical-description
https://vuldb.com/vuln/356536/cti
signaturepermissions-required
https://vuldb.com/submit/791855
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

wxhwxhwxh_mie (VulDB User)
.