What’s Vulnerable › Vulnerabilities

CVE-2023-30766

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-13 · updated 2026-06-17

Description

Hidden functionality issue 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.

Affected products

• Kbdevice Kb-Ahr04D Firmware: before 91110.1.101106.78 — fixed in 91110.1.101106.78
• Kbdevice Kb-Ahr08D Firmware: before 91210.1.101106.78 — fixed in 91210.1.101106.78
• Kbdevice Kb-Ahr16D Firmware: before 91310.1.101106.78 — fixed in 91310.1.101106.78
• Kbdevice Kb-Irip04A Firmware: before 95110.1.100290.78a — fixed in 95110.1.100290.78a
• Kbdevice Kb-Irip08A Firmware: before 95210.1.100290.78a — fixed in 95210.1.100290.78a
• Kbdevice Kb-Irip16A Firmware: before 95310.1.100290.78a — fixed in 95310.1.100290.78a

How to fix

Upgrade to a fixed version: Kbdevice Kb-Ahr04D Firmware 91110.1.101106.78; Kbdevice Kb-Ahr08D Firmware 91210.1.101106.78; Kbdevice Kb-Ahr16D Firmware 91310.1.101106.78; Kbdevice Kb-Irip04A Firmware 95110.1.100290.78a; Kbdevice Kb-Irip08A Firmware 95210.1.100290.78a; Kbdevice Kb-Irip16A Firmware 95310.1.100290.78a. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/vu/JVNVU90812349/
• https://www.kbdevice.com/news/%e3%83%ac%e3%82%b3%e3%83%bc%e3%83%80%e3%83%bc%e3%81%ae%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e6%94%bb%e6%92%83%e3%81%ab%e5%af%be%e3%81%99%e3%82%8b%e3%82%a2%e3%83%83%e3%83%97%e3%83%87/
• https://jvn.jp/en/vu/JVNVU90812349/
• https://www.kbdevice.com/news/%e3%83%ac%e3%82%b3%e3%83%bc%e3%83%80%e3%83%bc%e3%81%ae%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e6%94%bb%e6%92%83%e3%81%ab%e5%af%be%e3%81%99%e3%82%8b%e3%82%a2%e3%83%83%e3%83%97%e3%83%87/

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