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SSA-099819: Denial of Service Vulnerability in SENTRON 3NA COM Fuse

MEDIUM
CVSS 5.8
Date 2026-10-13T00:00:00+00:00
Source siemens-productcert
Published by Siemens ProductCERT

// Description

SENTRON 3NA COM Fuse contains a Denial-of-Service vulnerability. Improper handling of a network management message could allow an attacker to trigger a denial-of-service (DoS) condition. Successful exploitation may require the affected network to be re-established to restore normal operation.

// Vulnerabilities (1)

CVE ID CVSS Score Severity Description
CVE-2024-7322 5.8 medium
CVE-2024-7322. A ZigBee coordinator, router, or end device may change their node ID when an unsolicited encrypted rejoin response is received, this change in node ID causes Denial of Service (DoS). To recover from this DoS, the network must be re-established

// Affected Products (7)

Vendor Product Asset Type Purdue Level Firmware
Schneider Electric Unknown network_device -- --
Schneider Electric Unknown network_device -- --
Schneider Electric Unknown network_device -- --
Schneider Electric Unknown network_device -- --
Schneider Electric Unknown network_device -- --
Schneider Electric Unknown network_device -- --
Schneider Electric Unknown network_device -- --

// Remediations (2)

Patch: Update to V5.2 or later version
Update to V5.2 or later version
Mitigation: Customers should immediately apply the following mitigations to reduce the risk of exploit: T
Customers should immediately apply the following mitigations to reduce the risk of exploit: To keep your Zigbee network safe and prevent unauthorized access: • Restrict device access: Do not allow unknown devices to join your network. • Review hub settings: Check how your Zigbee hub manages device pairing. • Control network availability: Only open the network when adding new devices and close it immediately after. • Use install codes and avoid the well-known key: Whenever possible, use unique install codes for added security. Replace default keys with secure, unique keys.

// References