CVE-2026-102074

High

Description

A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.7), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.21), APOGEE PXC Modular (BACnet) (All versions < V3.5.7), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.21), TALON TC Compact (BACnet) (All versions < V3.5.7), TALON TC Modular (BACnet) (All versions < V3.5.7). The affected product FTP service does not properly validate the length of user-controllable input. This could allow an unauthenticated remote attacker to cause a denial of service.

SeverityHigh
CVSS7.5
Exploit probability—
ProductAPOGEE MBC (PPC) (BACnet)
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-121CWE-121

How to fix

Update
  • Siemens APOGEE PXC Compact (BACnet)V3.5.7 or later
  • Siemens APOGEE PXC Compact (P2 Ethernet)V2.8.21 or later
  • Siemens APOGEE PXC Modular (BACnet)V3.5.7 or later
  • Siemens APOGEE PXC Modular (P2 Ethernet)V2.8.21 or later
  • Siemens TALON TC Compact (BACnet)V3.5.7 or later
  • Siemens TALON TC Modular (BACnet)V3.5.7 or later

Affected products

ProductAffected versionsFixed in
Siemens APOGEE MBC (PPC) (BACnet)0—
Siemens APOGEE MBC (PPC) (P2 Ethernet)0—
Siemens APOGEE MEC (PPC) (BACnet)0—
Siemens APOGEE MEC (PPC) (P2 Ethernet)0—
Siemens APOGEE PXC Compact (BACnet)v < V3.5.7V3.5.7
Siemens APOGEE PXC Compact (P2 Ethernet)v < V2.8.21V2.8.21
Siemens APOGEE PXC Modular (BACnet)v < V3.5.7V3.5.7
Siemens APOGEE PXC Modular (P2 Ethernet)v < V2.8.21V2.8.21
Siemens TALON TC Compact (BACnet)v < V3.5.7V3.5.7
Siemens TALON TC Modular (BACnet)v < V3.5.7V3.5.7

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