本頁列出影響 idec microsmart_fc6b_firmware 的已公開 CVE 漏洞（透過 NVD CPE 關聯）。每列包含嚴重程度評分、摘要與發布日期，便於識別與分析安全議題。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2021-37401 | An attacker may obtain the user credentials from file servers, backup repositories, or ZLD files saved in SD cards. As a result, the PLC user program may be uploaded, altered, and/or downloaded. | [email protected] | 9.8 | 1.34% | 2021-12-28 | 2026-06-17 |
| CVE-2021-37400 | An attacker may obtain the user credentials from the communication between the PLC and the software. As a result, the PLC user program may be uploaded, altered, and/or downloaded. | [email protected] | 9.8 | 1.34% | 2021-12-28 | 2026-06-17 |