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CVE-2026-59693

MEDIUM
4.3
CVSS Score
Published: August 11, 2026 at 12:20 PM UTC
Updated: August 28, 2026 at 07:22 PM UTC
6 products affected across 1 vendorDesigo PXC4 FirmwareDesigo DXR2 FirmwareDesigo PXC3 Firmware

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Desigo DXR2 Firmware· Siemens
60%
v < V01.21.233.16-7862
Affected range stops below V01.21.233.16-7862, so it looks safe — our inference, not a vendor statement
Desigo PXC3 Firmware· Siemens
60%
v < V01.21.233.16-7862
Affected range stops below V01.21.233.16-7862, so it looks safe — our inference, not a vendor statement
Desigo PXC4 Firmware· Siemens
60%
v < V02.21.194.36-2715
Affected range stops below V02.21.194.36-2715, so it looks safe — our inference, not a vendor statement
Desigo PXC5.E003· Siemens
60%
v < V02.21.194.36-2715
Affected range stops below V02.21.194.36-2715, so it looks safe — our inference, not a vendor statement
Desigo PXC5.E24· Siemens
60%
v < V02.21.194.36-2715
Affected range stops below V02.21.194.36-2715, so it looks safe — our inference, not a vendor statement
Desigo PXC7· Siemens
60%
v < V02.21.194.36-2715
Affected range stops below V02.21.194.36-2715, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMsiemens
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-754

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