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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | APOGEE MBC (PPC) (BACnet) | — | — |
| Siemens | APOGEE MBC (PPC) (P2 Ethernet) | — | — |
| Siemens | APOGEE MEC (PPC) (BACnet) | — | — |
| Siemens | APOGEE MEC (PPC) (P2 Ethernet) | — | — |
| Siemens | APOGEE PXC Compact (BACnet) | < V3.5.7 | V3.5.7 |
| Siemens | APOGEE PXC Compact (P2 Ethernet) | < V2.8.21 | V2.8.21 |
| Siemens | APOGEE PXC Modular (BACnet) | < V3.5.7 | V3.5.7 |
| Siemens | APOGEE PXC Modular (P2 Ethernet) | < V2.8.21 | V2.8.21 |
| Siemens | TALON TC Compact (BACnet) | < V3.5.7 | V3.5.7 |
| Siemens | TALON TC Modular (BACnet) | < V3.5.7 | V3.5.7 |
Advisories 2
- ICSA-26-295-08 Siemens APOGEE, TALON and Desigo PXC/PXM Products CISA ICS & IT advisories · Oct 22, 2026
- SSA-333035 SSA-333035: Multiple Vulnerabilities in APOGEE, TALON and Desigo PXC/PXM Products Siemens ProductCERT · Oct 13, 2026