CVE-2025-55583

Published Aug 28, 2025 CVSS 3.1 · 9.8 Critical EPSS 7.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-26076 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.
History
Type Values Removed Values Added
First Time appeared Dlink dir-868l Firmware
CPEs cpe:2.3:h:dlink:dir-868l:b1:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-868l_firmware:2.05b02:*:*:*:*:*:*:*
Vendors & Products Dlink dir-868l Firmware
Type Values Removed Values Added
First Time appeared Dlink
Dlink dir-868l
Vendors & Products Dlink
Dlink dir-868l
Type Values Removed Values Added
Weaknesses CWE-306
CWE-668
CWE-78
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 28, 2025, 3:00 PM
Reserved
Aug 13, 2025, 12:00 AM
Status
Analyzed
Published
Aug 28, 2025, 3:16 PM
Modified
Jun 17, 2026, 9:41 AM