Vulnerability · Published Feb 7, 2025 · Assigned by VulDB

CVE-2025-1103D-Link DIR-823X HTTP POST Request set_wifi_blacklists null pointer dereference

Medium 6.5

In plain English

A medium-severity null pointer dereference in DIR-823X from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 14.1% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)14.1%top 3.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as problematic, was found in D-Link DIR-823X 240126/240802. This affects the function set_wifi_blacklists of the file /goform/set_wifi_blacklists of the component HTTP POST Request Handler. The manipulation of the argument macList leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-823X	240126240802

Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

VDB-294933 | D-Link DIR-823X HTTP POST Request set_wifi_blacklists null pointer dereference vdb-entry, technical-description
VDB-294933 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #489603 | D-Link DIR-823X 240126、240802 NULL Pointer Dereference third-party-advisory
https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-set_wifi_blacklists-Vulnerability-1870448e619580e5bf09cf628692f7a9?pvs=73 exploit
https://www.dlink.com/ product
https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-set_wifi_blacklists-Vulnerability-1870448e619580e5bf09cf628692f7a9 exploit