{"id":"CVE-2026-101039","state":"PUBLISHED","title":"FAST FAC1900R devdiscover Service copy_msg_element stack-based overflow","description":"A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element of the component devdiscover Service. Such manipulation leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.","publishedAt":"2026-09-28T10:45:13.649Z","updatedAt":"2026-09-28T12:45:15.070Z","severity":{"score":10,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","source":"VulDB"},"assigner":"VulDB","products":["FAST FAC1900R"],"affected":[{"vendor":"FAST","product":"FAC1900R","versions":[{"version":"20190827_2.0.2","status":"affected"}],"cpes":["cpe:2.3:a:fast:fac1900r:*:*:*:*:*:*:*:*"],"modules":["devdiscover Service"]}],"references":["https://vuldb.com/vuln/410907","https://vuldb.com/vuln/410907/cti","https://vuldb.com/cve/CVE-2026-101039","https://vuldb.com/submit/927251","https://github.com/xiaobor123/vuls-find-VxWorks/tree/main/vul-find-FAST_FAC1900R-copy_msg_element(2)"],"weaknesses":["CWE-121","CWE-119"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/101xxx/CVE-2026-101039.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101039","state":"PUBLISHED","datePublished":"2026-09-28T10:45:13.649Z","dateUpdated":"2026-09-28T12:45:15.070Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-27T14:30:37.900Z"},"containers":{"cna":{"title":"FAST FAC1900R devdiscover Service copy_msg_element stack-based overflow","descriptions":[{"lang":"en","value":"A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element of the component devdiscover Service. Such manipulation leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way."}],"affected":[{"vendor":"FAST","product":"FAC1900R","versions":[{"version":"20190827_2.0.2","status":"affected"}],"cpes":["cpe:2.3:a:fast:fac1900r:*:*:*:*:*:*:*:*"],"modules":["devdiscover Service"]}],"references":[{"url":"https://vuldb.com/vuln/410907","name":"VDB-410907 | FAST FAC1900R devdiscover Service copy_msg_element stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/410907/cti","name":"VDB-410907 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-101039","name":"CVE-2026-101039 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/927251","name":"Submit #927251 | FAST FAC1900R 20190827_2.0.2 Stack-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/xiaobor123/vuls-find-VxWorks/tree/main/vul-find-FAST_FAC1900R-copy_msg_element(2)","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":10,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":10,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":10,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV2_0":{"version":"2.0","baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","type":"CWE","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-09-28T10:45:13.649Z"},"timeline":[{"time":"2026-09-27T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-27T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-27T16:35:53.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"xiaobor123 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-28T12:44:58.090630Z","id":"CVE-2026-101039","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-28T12:45:15.070Z"}}]}}}