What’s Vulnerable › Vulnerabilities

CVE-2023-51629: D-Link DCS-8300LHV2 ONVIF Hardcoded PIN Authentication Bypass Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-259

Description

D-Link DCS-8300LHV2 ONVIF Hardcoded PIN Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DCS-8300LHV2 IP cameras. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the ONVIF API. The issue results from the use of a hardcoded PIN. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-21492.

Affected products

• D-Link DCS-8300LHV2: before 1.07.02 — fixed in 1.07.02

How to fix

Upgrade to a fixed version: D-Link DCS-8300LHV2 1.07.02. Check the vendor advisory for mitigations.

References

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10370
• https://www.zerodayinitiative.com/advisories/ZDI-24-049/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10370
• https://www.zerodayinitiative.com/advisories/ZDI-24-049/

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