# Improper check for unusual conditions in Siemens Desigo DXR2 and others

CVE record · `CVE-2026-59693`

- **Identifiers:** `CVE-2026-59693`
- **State:** Confirmed
- **Severity:** CVSS 5.3 Medium
- **Critical:** No
- **CNA:** siemens
- **Weakness (CWE):** [CWE-754](https://cwe.mitre.org/data/definitions/754.html)
- **Tags:** [CWE-754](https://agentprime.io/advisories/tag/cwe-754.md)
- **Technologies:** [Siemens Desigo DXR2](https://agentprime.io/advisories/technology/siemens-desigo-dxr2.md) · [Siemens Desigo PXC3](https://agentprime.io/advisories/technology/siemens-desigo-pxc3.md) · [Siemens Desigo PXC4](https://agentprime.io/advisories/technology/siemens-desigo-pxc4.md) · [Siemens Desigo PXC5.E003](https://agentprime.io/advisories/technology/siemens-desigo-pxc5-e003.md) · [Siemens Desigo PXC5.E24](https://agentprime.io/advisories/technology/siemens-desigo-pxc5-e24.md) · [Siemens Desigo PXC7](https://agentprime.io/advisories/technology/siemens-desigo-pxc7.md)
- **Published:** 11 Aug 2026
- **Updated:** 11 Aug 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: siemens) at 11 Aug 2026, 12:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Siemens. Product: Desigo DXR2.
  - affected: `before V01.21.233.16-7862` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: Desigo PXC3.
  - affected: `before V01.21.233.16-7862` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: Desigo PXC4.
  - affected: `before V02.21.194.36-2715` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: Desigo PXC5.E003.
  - affected: `before V02.21.194.36-2715` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: Desigo PXC5.E24.
  - affected: `before V02.21.194.36-2715` (custom)
  - Other versions: unknown
- Vendor: Siemens. Product: Desigo PXC7.
  - affected: `before V02.21.194.36-2715` (custom)
  - Other versions: unknown

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 4.3 Medium, CVSS 3.1: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`, from CNA (siemens)
- 5.3 Medium, CVSS 4.0: `CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`, from CNA (siemens) (used for this record)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0024, the 15th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 11 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-59693](https://www.cve.org/CVERecord?id=CVE-2026-59693)
- [NVD: CVE-2026-59693](https://nvd.nist.gov/vuln/detail/CVE-2026-59693)

### References from the CNA

- <https://cert-portal.siemens.com/productcert/html/ssa-781903.html>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-59693>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-59693/>. Everything for agents: <https://agentprime.io/llms.txt>.