{"id":"CVE-2026-59693","state":"PUBLISHED","title":"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 < V02.21.194.36-2","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.","publishedAt":"2026-08-11T12:20:26.209Z","updatedAt":"2026-08-11T18:08:58.835Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"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","source":"siemens"},"assigner":"siemens","products":["Siemens Desigo DXR2","Siemens Desigo PXC3","Siemens Desigo PXC4","Siemens Desigo PXC5.E003","Siemens Desigo PXC5.E24","Siemens Desigo PXC7"],"affected":[{"vendor":"Siemens","product":"Desigo DXR2","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V01.21.233.16-7862","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC3","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V01.21.233.16-7862","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC4","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC5.E003","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC5.E24","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC7","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]}],"references":["https://cert-portal.siemens.com/productcert/html/ssa-781903.html"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59693.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59693","state":"PUBLISHED","datePublished":"2026-08-11T12:20:26.209Z","dateUpdated":"2026-08-11T18:08:58.835Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2026-07-06T13:50:39.917Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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":[{"vendor":"Siemens","product":"Desigo DXR2","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V01.21.233.16-7862","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC3","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V01.21.233.16-7862","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC4","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC5.E003","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC5.E24","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]},{"vendor":"Siemens","product":"Desigo PXC7","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V02.21.194.36-2715","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-781903.html"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":4.3,"baseSeverity":"MEDIUM"}},{"cvssV4_0":{"version":"4.0","vectorString":"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","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","lang":"en","description":"CWE-754: Improper Check for Unusual or Exceptional Conditions","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2026-08-11T12:20:26.209Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T18:08:48.569650Z","id":"CVE-2026-59693","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T18:08:58.835Z"}}]}}}