CVE-2021-41545

HIGH
7.5
CVSS Score
Published: May 10, 2022 at 09:46 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
8 products affected across 1 vendorDesigo PXC4 FirmwareDesigo PXC5 FirmwareDesigo DXR2 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

Description

A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). When the controller receives a specific BACnet protocol packet, an exception causes the BACnet communication function to go into a “out of work” state and could result in the controller going into a “factory reset” state.

Affected

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

Affected range stops below 01.21.142.5-22, so it looks safe — our inference, not a vendor statement
siemens-desigo-dxr2 (same device)
Affected range stops below 01.21.142.4-18, so it looks safe — our inference, not a vendor statement
siemens-desigo-pxc3 (same device)
Affected range stops below 02.20.142.10-10884, so it looks safe — our inference, not a vendor statement
siemens-desigo-pxc4 (same device)
Affected range stops below 02.20.142.10-10884, so it looks safe — our inference, not a vendor statement
siemens-desigo-pxc5 (same device)
All versions
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-248NVD-CWE-noinfo

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