Vulnerability · Published Aug 28, 2025 · Assigned by mitre
CVE-2025-55583
Critical 9.8
In plain English
A critical-severity OS command injection in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 7.0% (higher than 94% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-78, CWE-306, CWE-668 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H