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 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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.070 (93.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.070 · newest: 0.070 · change: 0.000
Affected products
- Dlink Dir-868l — versions b1
- Dlink Dir-868l Firmware — versions 2.05b02
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.dlink.com/en/security-bulletin/ (Not Applicable)
- supportannouncement.us.dlink.com/security/publication.aspx (Product)
- cybermaya.in/posts/Post-44/ (Exploit, Third Party Advisory)
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.