{"id":"CVE-2026-112158","state":"PUBLISHED","title":"MikroTik RouterOS ipt_SAME.ko same_check integer overflow","description":"A weakness has been identified in MikroTik RouterOS up to 6.40.5/6.44/7.20.8. Impacted is the function same_check of the file ipt_SAME.ko. Executing a manipulation can lead to integer overflow. The attack may be launched remotely. Upgrading to version 7.21.5 and 7.23.1 is recommended to address this issue. You should upgrade the affected component.","publishedAt":"2026-10-19T16:00:06.444Z","updatedAt":"2026-10-19T17:09:43.696Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X","source":"VulDB"},"assigner":"VulDB","products":["MikroTik RouterOS"],"affected":[{"vendor":"MikroTik","product":"RouterOS","versions":[{"version":"6.0","status":"affected"},{"version":"6.1","status":"affected"},{"version":"6.2","status":"affected"},{"version":"6.3","status":"affected"},{"version":"6.4","status":"affected"},{"version":"6.5","status":"affected"},{"version":"6.6","status":"affected"},{"version":"6.7","status":"affected"},{"version":"6.8","status":"affected"},{"version":"6.9","status":"affected"},{"version":"6.10","status":"affected"},{"version":"6.11","status":"affected"},{"version":"6.12","status":"affected"},{"version":"6.13","status":"affected"},{"version":"6.14","status":"affected"},{"version":"6.15","status":"affected"},{"version":"6.16","status":"affected"},{"version":"6.17","status":"affected"},{"version":"6.18","status":"affected"},{"version":"6.19","status":"affected"},{"version":"6.20","status":"affected"},{"version":"6.21","status":"affected"},{"version":"6.22","status":"affected"},{"version":"6.23","status":"affected"},{"version":"6.24","status":"affected"},{"version":"6.25","status":"affected"},{"version":"6.26","status":"affected"},{"version":"6.27","status":"affected"},{"version":"6.28","status":"affected"},{"version":"6.29","status":"affected"},{"version":"6.30","status":"affected"},{"version":"6.31","status":"affected"},{"version":"6.32","status":"affected"},{"version":"6.33","status":"affected"},{"version":"6.34","status":"affected"},{"version":"6.35","status":"affected"},{"version":"6.36","status":"affected"},{"version":"6.37","status":"affected"},{"version":"6.38","status":"affected"},{"version":"6.39","status":"affected"},{"version":"6.40","status":"affected"},{"version":"6.40.0","status":"affected"},{"version":"6.40.1","status":"affected"},{"version":"6.40.2","status":"affected"},{"version":"6.40.3","status":"affected"},{"version":"6.40.4","status":"affected"},{"version":"6.40.5","status":"affected"},{"version":"6.41","status":"affected"},{"version":"6.42","status":"affected"},{"version":"6.43","status":"affected"},{"version":"6.44","status":"affected"},{"version":"7.20.0","status":"affected"},{"version":"7.20.1","status":"affected"},{"version":"7.20.2","status":"affected"},{"version":"7.20.3","status":"affected"},{"version":"7.20.4","status":"affected"},{"version":"7.20.5","status":"affected"},{"version":"7.20.6","status":"affected"},{"version":"7.20.7","status":"affected"},{"version":"7.20.8","status":"affected"},{"version":"7.21.5","status":"unaffected"},{"version":"7.23.1","status":"unaffected"}],"cpes":["cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*"]}],"references":["https://vuldb.com/vuln/422285","https://vuldb.com/vuln/422285/cti","https://vuldb.com/cve/CVE-2026-112158","https://vuldb.com/submit/956852","https://github.com/MeetFireAgain/cve/mikrotik/routeros-ipt-same-integer-overflow-brick.md"],"weaknesses":["CWE-190","CWE-189"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/112xxx/CVE-2026-112158.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-112158","state":"PUBLISHED","datePublished":"2026-10-19T16:00:06.444Z","dateUpdated":"2026-10-19T17:09:43.696Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-10-19T07:05:54.496Z"},"containers":{"cna":{"title":"MikroTik RouterOS ipt_SAME.ko same_check integer overflow","descriptions":[{"lang":"en","value":"A weakness has been identified in MikroTik RouterOS up to 6.40.5/6.44/7.20.8. Impacted is the function same_check of the file ipt_SAME.ko. Executing a manipulation can lead to integer overflow. The attack may be launched remotely. Upgrading to version 7.21.5 and 7.23.1 is recommended to address this issue. You should upgrade the affected component."}],"affected":[{"vendor":"MikroTik","product":"RouterOS","versions":[{"version":"6.0","status":"affected"},{"version":"6.1","status":"affected"},{"version":"6.2","status":"affected"},{"version":"6.3","status":"affected"},{"version":"6.4","status":"affected"},{"version":"6.5","status":"affected"},{"version":"6.6","status":"affected"},{"version":"6.7","status":"affected"},{"version":"6.8","status":"affected"},{"version":"6.9","status":"affected"},{"version":"6.10","status":"affected"},{"version":"6.11","status":"affected"},{"version":"6.12","status":"affected"},{"version":"6.13","status":"affected"},{"version":"6.14","status":"affected"},{"version":"6.15","status":"affected"},{"version":"6.16","status":"affected"},{"version":"6.17","status":"affected"},{"version":"6.18","status":"affected"},{"version":"6.19","status":"affected"},{"version":"6.20","status":"affected"},{"version":"6.21","status":"affected"},{"version":"6.22","status":"affected"},{"version":"6.23","status":"affected"},{"version":"6.24","status":"affected"},{"version":"6.25","status":"affected"},{"version":"6.26","status":"affected"},{"version":"6.27","status":"affected"},{"version":"6.28","status":"affected"},{"version":"6.29","status":"affected"},{"version":"6.30","status":"affected"},{"version":"6.31","status":"affected"},{"version":"6.32","status":"affected"},{"version":"6.33","status":"affected"},{"version":"6.34","status":"affected"},{"version":"6.35","status":"affected"},{"version":"6.36","status":"affected"},{"version":"6.37","status":"affected"},{"version":"6.38","status":"affected"},{"version":"6.39","status":"affected"},{"version":"6.40","status":"affected"},{"version":"6.40.0","status":"affected"},{"version":"6.40.1","status":"affected"},{"version":"6.40.2","status":"affected"},{"version":"6.40.3","status":"affected"},{"version":"6.40.4","status":"affected"},{"version":"6.40.5","status":"affected"},{"version":"6.41","status":"affected"},{"version":"6.42","status":"affected"},{"version":"6.43","status":"affected"},{"version":"6.44","status":"affected"},{"version":"7.20.0","status":"affected"},{"version":"7.20.1","status":"affected"},{"version":"7.20.2","status":"affected"},{"version":"7.20.3","status":"affected"},{"version":"7.20.4","status":"affected"},{"version":"7.20.5","status":"affected"},{"version":"7.20.6","status":"affected"},{"version":"7.20.7","status":"affected"},{"version":"7.20.8","status":"affected"},{"version":"7.21.5","status":"unaffected"},{"version":"7.23.1","status":"unaffected"}],"cpes":["cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://vuldb.com/vuln/422285","name":"VDB-422285 | MikroTik RouterOS ipt_SAME.ko same_check integer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/422285/cti","name":"VDB-422285 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-112158","name":"CVE-2026-112158 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/956852","name":"Submit #956852 | MikroTik RouterOS <= 7.20.x long-term channel (tested: 6.40.5, 6.44, 7.20.8); v6 line affected Integer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/MeetFireAgain/cve/mikrotik/routeros-ipt-same-integer-overflow-brick.md","tags":["broken-link"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":7.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":6.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.5,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":6.8,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:C/E:ND/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","type":"CWE","lang":"en","description":"Integer Overflow"}]},{"descriptions":[{"cweId":"CWE-189","type":"CWE","lang":"en","description":"Numeric Error"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-10-19T16:00:06.444Z"},"timeline":[{"time":"2026-10-19T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-10-19T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-10-19T09:11:00.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"CindyCity (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202610"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T17:08:58.536559Z","id":"CVE-2026-112158","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":"2026-10-19T17:09:43.696Z"}}]}}}