CVE-2025-29040 — CRITICAL (9.8)

Vulnerability Description

An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41737c

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dir-823X Firmware	240802
Dlink	Dir-823X	-

Related Weaknesses (CWE)

CWE-78

References

https://gist.github.com/xyqer1/b3bebe4967a3093951273738f0be45ceExploitThird Party Advisory
https://github.com/xyqer1/Dlink-dir-823x-diag_ping-target_addr-CommandInjectionExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://github.com/xyqer1/Dlink-dir-823x-diag_ping-target_addr-CommandInjectionExploitThird Party Advisory

FAQ

What is CVE-2025-29040?

CVE-2025-29040 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41737c

How severe is CVE-2025-29040?

CVE-2025-29040 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-29040?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-823X Firmware, Dlink Dir-823X.