A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (

Summary

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 web service does not properly validate the length of user-controllable input. This could allow an unauthenticated remote attacker to read portions of device memory or to cause a denial-of-service condition.

Timeline

1. Oct 13, 2026, 9:19 AM UTCCVE published
2. Oct 14, 2026, 7:29 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: partial

3. Oct 14, 2026, 7:29 PM UTCRecord last updated

Affected versions

• Siemens APOGEE MBC (PPC) (BACnet)

  fixed in *

• Siemens APOGEE MBC (PPC) (P2 Ethernet)

  fixed in *

• Siemens APOGEE MEC (PPC) (BACnet)

  fixed in *

• Siemens APOGEE MEC (PPC) (P2 Ethernet)

  fixed in *

• Siemens APOGEE PXC Compact (BACnet)

  fixed in V3.5.7

• Siemens APOGEE PXC Compact (P2 Ethernet)

  fixed in V2.8.21

• Siemens APOGEE PXC Modular (BACnet)

  fixed in V3.5.7

• Siemens APOGEE PXC Modular (P2 Ethernet)

  fixed in V2.8.21

• Siemens TALON TC Compact (BACnet)

  fixed in V3.5.7

• Siemens TALON TC Modular (BACnet)

  fixed in V3.5.7

References 1