Critical Vulnerability Discovered in Baicells Nova 430H eNodeB

Understanding the Threat

Researchers have identified a significant security vulnerability affecting the Baicells Nova 430H eNodeB (model pBS3101SH). This flaw involves an uncaught exception that can be exploited by remote attackers to inject malformed messages into the system. Successful exploitation leads to a denial-of-service (DoS) condition, effectively disrupting the device's communication capabilities. Given its deployment in critical sectors such as Communications and IT, the potential impact on service continuity is substantial.

Mitigation Strategies

To safeguard your infrastructure, we recommend the following actions:

• Restrict Access: Ensure the management interface of the Nova 430H is not exposed to the public internet. Use secure VPNs or jump hosts to manage network equipment.
• Monitor Traffic: Implement anomaly detection to identify malformed packets or unusual traffic patterns targeting the eNodeB.
• Update Firmware: Immediately check for the latest firmware release from Baicells Technologies and apply patches to mitigate this vulnerability. If no patch is available, isolate the equipment behind a robust firewall configuration that restricts input to known, trusted sources.

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แหล่งที่มา: CISA Cybersecurity Advisories เผยแพร่ครั้งแรก: Tue, 29 Sep 26 12:00:00 +0000 บทความต้นฉบับ: อ่านต้นฉบับ