Buffer Overflow Vulnerability in D-Link DIR-605L Router
CVE-2026-5984

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5984?

A buffer overflow vulnerability exists in the D-Link DIR-605L router's formSetLog function, located within the /goform/formSetLog endpoint, enabling attackers to manipulate the curTime parameter. This flaw allows for remote exploitation, and the associated exploit code is publicly accessible. Notably, this vulnerability affects devices that are not actively supported by D-Link, increasing their risk of attack. Users are strongly advised to take immediate action to mitigate potential threats.

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-2026-5984 - Proof of Concept

References

https://vuldb.com/vuln/356538
vdb-entrytechnical-description
https://vuldb.com/vuln/356538/cti
signaturepermissions-required
https://vuldb.com/submit/791857
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)
.