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HIGH

CVE-2026-96274

CVSS v3

7.4

HIGH

EPSS Score

0.2 %

exploit probability, as of 2026-09-30

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In Baicells Nova 430H, an unauthenticated device within radio range can send a malformed uplink message during connection setup that contains an invalid NAS payload. Because the eNodeB does not properly validate this payload, it forwards the message to the core network, which can trigger a shutdown of the signaling association for the cell. This results in a temporary service disruption until the eNodeB and core network re-establish connectivity.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Published
2026-09-29
Last Modified
2026-09-29

Frequently asked questions

What is CVE-2026-96274?

In Baicells Nova 430H, an unauthenticated device within radio range can send a malformed uplink message during connection setup that contains an invalid NAS payload. Because the eNodeB does not properly validate this payload, it forwards the message to the core network, which can trigger a shutdown of the signaling association for the cell. This results in a temporary service disruption until the eNodeB and core network re-establish connectivity.

Is CVE-2026-96274 actively exploited?

Active exploitation of CVE-2026-96274 has not been confirmed. Its EPSS score was 0.2% on 2026-09-30, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-96274?

CVE-2026-96274 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

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