How severe is CVE-2023-30762?

CVE-2023-30762 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-2023-30762 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30762?

CVE-2023-30762 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-2023-30762?

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-2023-30762 published?

CVE-2023-30762 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2023-30762

CVE-2023-30762 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Kbdevice Kb-ahr04d Firmware
Published: 2023-06-13
Last modified: 2026-06-17

Description

Improper authentication 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-2023-30762?: Improper authentication 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-2023-30762?: CVE-2023-30762 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-2023-30762 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30762?: CVE-2023-30762 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-2023-30762?: 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-2023-30762 published?: CVE-2023-30762 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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