CVE-2025-29040

CRITICAL
2025-04-17 [email protected]
9.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:37 vuln.today
PoC Detected
May 01, 2025 - 18:15 vuln.today
Public exploit code
CVE Published
Apr 17, 2025 - 15:15 nvd
CRITICAL 9.8

Tags

D-Link Command Injection RCE Dir 823x Firmware

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

Analysis

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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 Affected products include: Dlink Dir-823X Firmware.

Affected Products

Dlink Dir-823X Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Priority Score

76
Low Medium High Critical
KEV: 0
EPSS: +7.2
CVSS: +49
POC: +20

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CVE-2025-29040 vulnerability details – vuln.today
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