CVE-2025-0492 D-Link DIR-823X FUN_00412244 null pointer dereference

What is CVE-2025-0492?

CVE-2025-0492 is a high-severity vulnerability in D-Link DIR-823X, published on 15 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2025-0492?

It affects 1 product.

Products include Dlink Dir-823x Firmware.

How do I fix CVE-2025-0492?

No fix has been published for CVE-2025-0492 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-0492 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-0492 exists.

Other vulnerabilities in D-Link DIR-823X

• CVE-2025-29635 D-Link DIR-823X Command Injection Exploited High 7.2
• CVE-2025-29040 Command injection in n/a Critical 9.8
• CVE-2025-29041 Command injection in n/a Critical 9.8
• CVE-2025-29042 Command injection in n/a Critical 9.8
• CVE-2025-29043 Command injection in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2gx4-fph4-hgjx.