CVE-2026-102073
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 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.
How to fix
- 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
| Product | Affected versions | Fixed 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 < V3.5.7 | V3.5.7 |
| Siemens APOGEE PXC Compact (P2 Ethernet) | v < V2.8.21 | V2.8.21 |
| Siemens APOGEE PXC Modular (BACnet) | v < V3.5.7 | V3.5.7 |
| Siemens APOGEE PXC Modular (P2 Ethernet) | v < V2.8.21 | V2.8.21 |
| Siemens TALON TC Compact (BACnet) | v < V3.5.7 | V3.5.7 |
| Siemens TALON TC Modular (BACnet) | v < V3.5.7 | V3.5.7 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.