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.
Conclusion & alert: CVE-2025-55583 is rated High Exploit Risk (82.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.46%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-03 | 1.30% | 1.46% | +0.16% |
| 2 | 2026-04-03 | 1.24% | 1.30% | +0.06% |
| 3 | 2026-03-24 | — | 1.24% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dlink | dir-868l_firmware | 2.05b02 | cpe:2.3:o:dlink:dir-868l_firmware:2.05b02:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cybermaya.in/posts/Post-44/ | Exploit Third Party Advisory |
| https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10397 | Product |
| https://www.dlink.com/en/security-bulletin/ | Not Applicable |