Use of hard-coded credentials for the telnet server of CentreCOM AR260S V2 firmware versions prior to Ver.3.3.7 allows a remote unauthenticated attacker to execute an arbitrary OS command.
Conclusion & alert: CVE-2022-38394 is rated Moderate Risk (57.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.89%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-15 | 1.75% | 0.89% | -0.86% |
| 2 | 2025-11-21 | 2.05% | 1.75% | -0.30% |
| 3 | 2025-11-18 | — | 2.05% | — |
Full EPSS history (15 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 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| allied-telesis | centrecom_ar260s_firmware | < 3.3.7 | cpe:2.3:o:allied-telesis:centrecom_ar260s_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN45473612/index.html | Mitigation Third Party Advisory |
| https://www.allied-telesis.co.jp/support/list/faq/vuls/20220829.html | Mitigation Vendor Advisory |