CVE-2025-55583

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

D-Link DIR-868L B1 router firmware version FW2.05WWB02 contains an unauthenticated OS command injection vulnerability in the fileaccess.cgi component. The endpoint /dws/api/UploadFile accepts a pre_api_arg parameter that is passed directly to system-level shell execution functions without sanitization or authentication. Remote attackers can exploit this to execute arbitrary commands as root via crafted HTTP requests.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78CWE-306CWE-668

Affected software

No affected versions have been published.

Timeline

Published
Aug 28, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-55583: Critical severity, CVSS 9.8 | Vulnix