CVE-2026-59693
mediumpriority · track · 0EPSS 0.002 · 15 %ileDEEUNLUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedDesigo DXR2siemens_psirt
Update to V01.21.233.16-7862 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC3siemens_psirt
Update to V01.21.233.16-7862 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC4siemens_psirt
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC5.E003siemens_psirt
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC5.E24siemens_psirt
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC7siemens_psirt
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo DXR2cisa_csaf_ot
Update to V01.21.233.16-7862 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC3cisa_csaf_ot
Update to V01.21.233.16-7862 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC4cisa_csaf_ot
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC5.E003cisa_csaf_ot
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC5.E24cisa_csaf_ot
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
- FixedDesigo PXC7cisa_csaf_ot
Update to V02.21.194.36-2715 or later version Please contact your local Siemens office for additional support in obtaining the update.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (49)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0282Kwetsbaarheden verholpen in Siemens productenNL2026-08-11csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als Desigo, Parasolid, RUGGEDCOM, SIMATIC, Siveillance en Solid Edge.
- SSA-781903SSA-781903: Denial of Service Vulnerability in Desigo DXR and PXC Controllers2026-08-11csaf · siemens_psirtDE
A vulnerability in Desigo DXR and PXC controllers has been identified that could allow an attacker to cause denial of service conditions by sending malformed BACnet packets. Recovery requires a device reset or reboot to restore normal functionality. Siemens has released new versions for the affected products and recommends to update to the latest versions.
- ICSA-26-225-08Siemens Desigo DXR and PXC Controllers2026-08-11icsa · cisa_csaf_otUS
A vulnerability in Desigo DXR and PXC controllers has been identified that could allow an attacker to cause denial of service conditions by sending malformed BACnet packets. Recovery requires a device reset or reboot to restore normal functionality. Siemens has released new versions for the affected products and recommends to update to the latest versions.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
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