CVE-2025-1103 - CVE House
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Status published High CVE-2025-1103

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • hand_king (VulDB User)

References

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Affected Vendor

Affected Software

DIR-823X
Vulnerable Versions:
240126, 240802

Timeline

Official Publish: February 7th, 2025
Last Modified: February 7th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-476 CWE-404

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1499.004 Application or System Exploitation
Impact
T1489 Service Stop
Impact
T1203 Exploitation for Client Execution
Execution
T1190 Exploit Public-Facing Application
Initial Access
T1498 Network Denial of Service
Impact
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery