CISA warns Baicells Nova 430H eNodeB flaw can disrupt cell service
CISA published an advisory for Baicells Nova 430H eNodeB (model pBS3101SH, firmware <=BaiBLQ_3.0.12). CVE-2026-96274, rated 7.4 high, lets an unauthenticated device in radio range send a malformed uplink message with an invalid NAS payload; the eNodeB forwards it, triggering core-network signaling shutdown and temporary service disruption. No fix is planned; Baicells has not responded to CISA.
Sources and evidence
Attributed quotes
“Successful exploitation of this vulnerability could allow an attacker to inject malformed messages which may lead to a denial-of-service condition.”
“No fix planned”
“Baicells has not responded to requests to work with CISA to mitigate this vulnerability.”
Summary last validated Sep 29, 2026
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