{"id":"CVE-2026-112158","aliases":["EUVD-2026-104417","GHSA-99hw-pp85-5wcr"],"status":"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.","severity":{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00334,"percentile":0.27005,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189","CWE-190"],"published":"2026-10-19T16:00:06Z","modified":"2026-10-19T20:43:24Z","products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"https://vuldb.com/vuln/422285","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/422285/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-112158","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/956852","tags":["third-party-advisory"]},{"url":"https://github.com/MeetFireAgain/cve/mikrotik/routeros-ipt-same-integer-overflow-brick.md","tags":["broken-link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112158"},{"url":"https://github.com/advisories/GHSA-99hw-pp85-5wcr"}],"sources":{"cve":[{"id":"CVE-2026-112158","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.","status":"published","published":"2026-10-19T16:00:06.444Z","modified":"2026-10-19T17:09:43.696Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.0","score":6.5,"vector":"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","level":"medium","assessor":"cna"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C/E:ND/RL:OF/RC:C","assessor":"cna"}],"cwes":["CWE-190","CWE-189"],"updated_at":"2026-11-02T13:44:51.734189Z"}],"euvd":[{"id":"EUVD-2026-104417","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.","status":"published","published":"2026-10-19T16:00:06Z","modified":"2026-10-19T17:09:43Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"updated_at":"2026-11-02T16:59:50.463489Z"}],"ghsa":[{"id":"GHSA-99hw-pp85-5wcr","title":"A weakness has been identified in MikroTik RouterOS up to 6.40.5/6.44/7.20.8. Impacted is the...","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.","status":"published","published":"2026-10-19T18:32:12Z","modified":"2026-10-19T18:32:16Z","cvss":[{"version":"4.0","score":7.1,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:13:57.629988Z"}],"nvd":[{"id":"CVE-2026-112158","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.","status":"published","published":"2026-10-19T16:17:05.917Z","modified":"2026-10-19T20:43:24.237Z","cvss":[{"version":"4.0","score":7.1,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"secondary"}],"cwes":["CWE-189","CWE-190"],"updated_at":"2026-11-02T14:13:00.83844Z"}]}}