Vulnerability in D-Link DHP-W610AV HNAP Login Component
CVE-2026-113736

9.3CRITICAL

Key Information:

Vendor

D-link
Status
DHP-w610av
Vendor
CVE Published:
21 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-113736?

A security issue has been identified in the D-Link DHP-W610AV where the HNAP login functionality is exploited due to improper input validation in the login_prepare_hnap function. Specifically, an attacker can manipulate the password argument, resulting in an empty password being stored in the configuration file. This vulnerability can be exploited remotely and poses a serious risk to device security, allowing unauthorized access to configurations and settings.

Affected Version(s)

DHP-W610AV 1.02EUb03

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-2026-113736 - Proof of Concept

References

https://vuldb.com/vuln/422892
vdb-entrytechnical-description
https://vuldb.com/vuln/422892/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-113736
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
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

XueDugu (VulDB User)
.