How severe is CVE-2023-30764?

CVE-2023-30764 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-30764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30764?

CVE-2023-30764 primarily affects Kbdevice Kb-ahr04d Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-30764?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-30764 published?

CVE-2023-30764 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2023-30764

CVE-2023-30764 is a critical-severity vulnerability in Kbdevice Kb-ahr04d Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Kbdevice Kb-ahr04d Firmware
Published: 2023-06-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-30764?: 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.
How severe is CVE-2023-30764?: CVE-2023-30764 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-30764 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30764?: CVE-2023-30764 primarily affects Kbdevice Kb-ahr04d Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-30764?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-30764 published?: CVE-2023-30764 was published on 2023-06-13 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:kbdevice:kb-ahr04d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:kbdevice:kb-ahr08d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:kbdevice:kb-ahr16d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:kbdevice:kb-irip04a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:kbdevice:kb-irip08a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:kbdevice:kb-irip16a_firmware:*:*:*:*:*:*:*:*

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