RCE in Dlink Dir-868l

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…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.058 (92.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55583?
CVE-2025-55583 is a critical-severity vulnerability in Dlink Dir-868l, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-08-28.
How severe is CVE-2025-55583?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-55583 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.