OS command injection vulnerability exists in KB-AHR series and KB-IRIP series. If this vulnerability is exploited, an arbitrary OS command may be executed on the product or the device settings may be altered. Affected products and versions are as follows: KB-AHR04D versions prior to 91110.1.101106.78, KB-AHR08D versions prior to 91210.1.101106.78, KB-AHR16D versions prior to 91310.1.101106.78, KB-IRIP04A versions prior to 95110.1.100290.78A, KB-IRIP08A versions prior to 95210.1.100290.78A, and KB-IRIP16A versions prior to 95310.1.100290.78A.
Conclusion & alert: CVE-2023-30764 is rated Moderate Risk (59.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.54%). 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 | 7.64% | 1.54% | -6.09% |
| 2 | 2026-06-14 | 1.73% | 7.64% | +5.91% |
| 3 | 2025-11-21 | — | 1.73% | — |
Full EPSS history (11 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] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kbdevice | kb-ahr04d_firmware | < 91110.1.101106.78 | cpe:2.3:o:kbdevice:kb-ahr04d_firmware:*:*:*:*:*:*:*:* |
| kbdevice | kb-ahr08d_firmware | < 91210.1.101106.78 | cpe:2.3:o:kbdevice:kb-ahr08d_firmware:*:*:*:*:*:*:*:* |
| kbdevice | kb-ahr16d_firmware | < 91310.1.101106.78 | cpe:2.3:o:kbdevice:kb-ahr16d_firmware:*:*:*:*:*:*:*:* |
| kbdevice | kb-irip04a_firmware | < 95110.1.100290.78a | cpe:2.3:o:kbdevice:kb-irip04a_firmware:*:*:*:*:*:*:*:* |
| kbdevice | kb-irip08a_firmware | < 95210.1.100290.78a | cpe:2.3:o:kbdevice:kb-irip08a_firmware:*:*:*:*:*:*:*:* |
| kbdevice | kb-irip16a_firmware | < 95310.1.100290.78a | cpe:2.3:o:kbdevice:kb-irip16a_firmware:*:*:*:*:*:*:*:* |