CVE-2023-51987

CRITICAL

Published Jan 11, 2024 Modified Jun 20, 2025 CWE-306

Description

D-Link DIR-822+ V1.0.2 contains a login bypass in the HNAP1 interface, which allows attackers to log in to administrator accounts with empty passwords.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-306 Missing Authentication

Affected Products

Vendor	Product	Versions
dlink	dir-822_firmware	All
dlink	dir-822	All

References

Exploits

https://github.com/funny-mud-peee/IoT-vuls/tree/main/dir822%2B/2 https://github.com/funny-mud-peee/IoT-vuls/tree/main/dir822%2B/2

Frequently Asked Questions

What is CVE-2023-51987? +

D-Link DIR-822+ V1.0.2 contains a login bypass in the HNAP1 interface, which allows attackers to log in to administrator accounts with empty passwords. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-51987? +

CVE-2023-51987 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-51987? +

CVE-2023-51987 affects products from dlink, specifically: dir-822, dir-822_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-51987? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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