{"id":"CVE-2025-8761","state":"PUBLISHED","title":"INSTAR 2K+/4K Backend IPC Server denial of service","description":"A vulnerability has been found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This vulnerability affects unknown code of the component Backend IPC Server. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.","publishedAt":"2025-08-13T06:14:06.147Z","updatedAt":"2025-08-13T13:29:47.081Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["INSTAR 2K+","INSTAR 4K"],"affected":[{"vendor":"INSTAR","product":"2K+","versions":[{"version":"3.11.1 Build 1124","status":"affected"}],"modules":["Backend IPC Server"]},{"vendor":"INSTAR","product":"4K","versions":[{"version":"3.11.1 Build 1124","status":"affected"}],"modules":["Backend IPC Server"]}],"references":["https://vuldb.com/?id.319864","https://vuldb.com/?ctiid.319864","https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf"],"weaknesses":["CWE-404"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/8xxx/CVE-2025-8761.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-8761","state":"PUBLISHED","datePublished":"2025-08-13T06:14:06.147Z","dateUpdated":"2025-08-13T13:29:47.081Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-08-08T15:37:32.968Z"},"containers":{"cna":{"title":"INSTAR 2K+/4K Backend IPC Server denial of service","descriptions":[{"lang":"en","value":"A vulnerability has been found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This vulnerability affects unknown code of the component Backend IPC Server. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"Hierbei betrifft es unbekannten Programmcode der Komponente Backend IPC Server. Mittels Manipulieren mit unbekannten Daten kann eine denial of service-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"INSTAR","product":"2K+","versions":[{"version":"3.11.1 Build 1124","status":"affected"}],"modules":["Backend IPC Server"]},{"vendor":"INSTAR","product":"4K","versions":[{"version":"3.11.1 Build 1124","status":"affected"}],"modules":["Backend IPC Server"]}],"references":[{"url":"https://vuldb.com/?id.319864","name":"VDB-319864 | INSTAR 2K+/4K Backend IPC Server denial of service","tags":["vdb-entry"]},{"url":"https://vuldb.com/?ctiid.319864","name":"VDB-319864 | CTI Indicators (IOB, IOC, TTP)","tags":["signature","permissions-required"]},{"url":"https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":7.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:W/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.5,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:W/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.8,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:C/E:POC/RL:W/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-404","type":"CWE","lang":"en","description":"Denial of Service"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-08-13T06:14:06.147Z"},"timeline":[{"time":"2025-08-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-08-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-08-13T08:18:25.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Michael Imfeld (modzero AG)","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-13T13:29:41.200372Z","id":"CVE-2025-8761","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-13T13:29:47.081Z"}}]}}}