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CVE-2026-59693

Quick assessment

Affected
Siemens Desigo DXR2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Siemens Desigo DXR2是德国Siemens公司的一款工业自动化控制设备。 Siemens Desigo DXR2存在异常处理不当漏洞，该漏洞源于对畸形BACnet数据包处理不当，可能导致设备停止响应BACnet查询，造成拒绝服务。

CVSS 4.3 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 6

VendorProduct Version RangeStatus
Siemens Desigo DXR2 < V01.21.233.16-7862 affected
Siemens Desigo PXC3 < V01.21.233.16-7862 affected
Siemens Desigo PXC4 < V02.21.194.36-2715 affected
Siemens Desigo PXC5.E003 < V02.21.194.36-2715 affected
Siemens Desigo PXC5.E24 < V02.21.194.36-2715 affected
Siemens Desigo PXC7 < V02.21.194.36-2715 affected
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I. Basic Information for CVE-2026-59693

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens Desigo DXR2 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Desigo DXR2是德国Siemens公司的一款工业自动化控制设备。 Siemens Desigo DXR2存在异常处理不当漏洞，该漏洞源于对畸形BACnet数据包处理不当，可能导致设备停止响应BACnet查询，造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Siemens Desigo DXR2 0 ~ V01.21.233.16-7862 -
Siemens Desigo PXC3 0 ~ V01.21.233.16-7862 -
Siemens Desigo PXC4 0 ~ V02.21.194.36-2715 -
Siemens Desigo PXC5.E003 0 ~ V02.21.194.36-2715 -
Siemens Desigo PXC5.E24 0 ~ V02.21.194.36-2715 -
Siemens Desigo PXC7 0 ~ V02.21.194.36-2715 -

II. Public POCs for CVE-2026-59693

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III. Intelligence Information for CVE-2026-59693

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Vendor Advisories for CVE-2026-59693 (1)

Same Patch Batch · Siemens · 2026-08-11 · 17 CVEs total

CVE-2026-58115 10.0 CRITICAL Siemens SIMATIC IoT2050 Advanced 授权问题漏洞
CVE-2026-50058 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50059 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50060 7.8 HIGH Siemens Solid Edge SE2025 资源管理错误漏洞
CVE-2026-50061 7.8 HIGH Siemens Solid Edge SE2025 资源管理错误漏洞
CVE-2026-50062 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50063 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50064 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-59086 7.8 HIGH Siemens Simcenter Nastran 缓冲区错误漏洞
CVE-2026-59700 7.8 HIGH Siemens Simcenter Femap 缓冲区错误漏洞
CVE-2026-59701 7.8 HIGH Siemens Simcenter Femap 缓冲区错误漏洞
CVE-2026-64629 7.8 HIGH Siemens Parasolid 缓冲区错误漏洞
CVE-2026-69109 7.5 HIGH Siemens License Server 路径遍历漏洞
CVE-2026-57262 6.8 MEDIUM Siemens LOGO! Soft Comfort 加密问题漏洞
CVE-2026-57263 6.8 MEDIUM Siemens LOGO! Soft Comfort 加密问题漏洞
CVE-2026-69108 6.0 MEDIUM Siemens License Server 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: Desigo DXR2
Same vendor: Siemens
Same weakness: CWE-754

V. Comments for CVE-2026-59693

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