CVE-2025-0492— D-Link DIR-823X FUN_00412244 null pointer dereference
Quick assessment
Affected
D-Link DIR-823X
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
D-Link DIR-823X是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-823X 240126/240802版本存在安全漏洞，该漏洞源于存在空指针取消引用。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-0492
Vulnerability Information
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Vulnerability Title
D-Link DIR-823X FUN_00412244 null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-823X 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-823X是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-823X 240126/240802版本存在安全漏洞，该漏洞源于存在空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-0492
| # | POC Description | Source Link | Shenlong Link |
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Vendor Advisories for CVE-2025-0492 (1)
Security Blog Posts for CVE-2025-0492 (1)
Vendor Pages for CVE-2025-0492 (1)
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V. Comments for CVE-2025-0492
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