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.

CVSS v3.1

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

EPSS

6.97% chance of exploitation in the next 30 days, 94th percentile

Published

2025-08-28

Proof-of-concept exploits (1)

• https://cybermaya.in/posts/Post-44/

References

• CVE Record
• NVD entry

Related

• CVE-2025-55582
• CVE-2025-55584
• CVE-2025-55581
• CVE-2025-55585
• CVE-2025-55580
• CVE-2025-55586