CVE-2025-55583
CVSS v3
9.8
CRITICAL
EPSS Score
1.1 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2025-08-28
Frequently asked questions
What is 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.
Is CVE-2025-55583 actively exploited?
Active exploitation of CVE-2025-55583 has not been confirmed. The EPSS score is 1.1%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-55583?
CVE-2025-55583 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-55583 affecting your environment?
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