Vulnerability in Siemens Desigo Dxr2
CVE-2026-59693
A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.233.16-7862), Desigo PXC3 (All versions < V01.21.233.16-7862), Desigo PXC4 (All versions < V02.21.194.36-2715), Desigo PXC5.E003 (All versions < V02.21.194.36-2715), Desigo PXC5.E24 (All versions < V02.21.194.36-2715), Desigo PXC7 (All versions < V02.21.194.36-2715). The affected devices are vulnerable to a denial-of-service (DoS) vulnerability. An attacker can exploit this issue by sending a malformed BACnet packet, causing the device to stop responding to BACnet queries. Recovery requires a device reset or reboot to restore normal functionality.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (13.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
- Siemens Desigo Dxr2 — versions 0
- Siemens Desigo Pxc3 — versions 0
- Siemens Desigo Pxc4 — versions 0
- Siemens Desigo Pxc5.e003 — versions 0
- Siemens Desigo Pxc5.e24 — versions 0
- Siemens Desigo Pxc7 — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-59693?
- CVE-2026-59693 is a medium-severity vulnerability in Siemens Desigo Dxr2, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 4.3/10. Published 2026-08-11.
- How severe is CVE-2026-59693?
- Medium severity. CVSS v3 base score is 4.3 out of 10.