Vulnerability Details CVE-2025-55583
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.012
EPSS Ranking 77.9%
CVSS Severity
CVSS v3 Score 9.8
References
Products affected by CVE-2025-55583
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cpe:2.3:h:dlink:dir-868l:b1
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cpe:2.3:o:dlink:dir-868l_firmware:2.05b02