CVE-2025-55583

Name: CVE-2025-55583
Creator: NVD / NIST
Published: 2025-08-28T15:16:02.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.83%

Last modified Jun 17, 2026

CVE-2025-55583 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 5.83% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

5.83%

92.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-868l Firmware	2.05b02

References

https://cybermaya.in/posts/Post-44/Exploit, Third Party Advisory
https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10397Product
https://www.dlink.com/en/security-bulletin/Not Applicable
https://cybermaya.in/posts/Post-44/Exploit, Third Party Advisory

Timeline

Published: Aug 28, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-55583?

How severe is CVE-2025-55583?

CVE-2025-55583 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.83% probability of exploitation in the next 30 days.

How do I fix CVE-2025-55583?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-55583?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST