CVE-2026-59693

State: Published
Severity: 5.3 Medium
Published: Aug 11, 2026
Updated: Aug 11, 2026
Reserved: Jul 6, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	siemens
3.1	4.3 Medium	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	siemens

Weaknesses

CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

Product	Versions
Desigo DXR2Siemens	before V01.21.233.16-7862Affected
Desigo PXC3Siemens	before V01.21.233.16-7862Affected
Desigo PXC4Siemens	before V02.21.194.36-2715Affected
Desigo PXC5.E003Siemens	before V02.21.194.36-2715Affected
Desigo PXC5.E24Siemens	before V02.21.194.36-2715Affected
Desigo PXC7Siemens	before V02.21.194.36-2715Affected

References

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

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