{"id":"CVE-2026-27842","aliases":["EUVD-2026-11101","GHSA-2m33-h63p-wx98"],"status":"published","title":"Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to...","description":"Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00717,"percentile":0.54259,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-288"],"published":"2026-03-11T05:25:34Z","modified":"2026-06-17T10:27:46Z","products":[{"vendor":"micro research ltd.","product":"mr-gm5a-l1"},{"vendor":"micro research ltd.","product":"mr-gm5l-s1"}],"references":[{"url":"https://www.mrl.co.jp/download/security/JVNVU98103854.pdf"},{"url":"https://jvn.jp/en/vu/JVNVU98103854/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27842"},{"url":"https://jvn.jp/en/vu/JVNVU98103854"},{"url":"https://github.com/advisories/GHSA-2m33-h63p-wx98"}],"sources":{"cve":[{"id":"CVE-2026-27842","description":"Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.","status":"published","published":"2026-03-11T05:25:34.834Z","modified":"2026-03-11T15:39:46.393Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:19:49.199185Z"}],"euvd":[{"id":"EUVD-2026-11101","description":"Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.","status":"published","published":"2026-03-11T05:25:34Z","modified":"2026-03-11T15:39:46Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:25:37.250097Z"}],"ghsa":[{"id":"GHSA-2m33-h63p-wx98","title":"Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to...","description":"Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.","status":"published","published":"2026-03-11T06:31:41Z","modified":"2026-03-11T06:31:41Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T15:06:33.767052Z"}],"nvd":[{"id":"CVE-2026-27842","description":"Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.","status":"published","published":"2026-03-11T06:17:13.867Z","modified":"2026-06-17T10:27:46.713Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical","assessor":"secondary"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:12:08.98071Z"}]}}