{"id":"CVE-2021-25671","aliases":["EUVD-2021-12563","GHSA-pj8q-v235-p5pv"],"status":"published","title":"A vulnerability has been identified in RWG1.M12 (All versions \u003c V1.16.16), RWG1.M12D (All...","description":"A vulnerability has been identified in RWG1.M12 (All versions \u003c V1.16.16), RWG1.M12D (All versions \u003c V1.16.16), RWG1.M8 (All versions \u003c V1.16.16). Sending specially crafted ARP packets to an affected device could cause a partial denial-of-service, preventing the device to operate normally. A restart is needed to restore normal operations.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00375,"percentile":0.31758,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2021-07-13T11:02:54Z","modified":"2026-06-17T03:42:19Z","products":[{"vendor":"siemens","product":"rwg1.m12"},{"vendor":"siemens","product":"rwg1.m12_firmware"},{"vendor":"siemens","product":"rwg1.m12d"},{"vendor":"siemens","product":"rwg1.m12d_firmware"},{"vendor":"siemens","product":"rwg1.m8"},{"vendor":"siemens","product":"rwg1.m8_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-448291.pdf","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25671"},{"url":"https://github.com/advisories/GHSA-pj8q-v235-p5pv"}],"sources":{"cve":[{"id":"CVE-2021-25671","description":"A vulnerability has been identified in RWG1.M12 (All versions \u003c V1.16.16), RWG1.M12D (All versions \u003c V1.16.16), RWG1.M8 (All versions \u003c V1.16.16). Sending specially crafted ARP packets to an affected device could cause a partial denial-of-service, preventing the device to operate normally. A restart is needed to restore normal operations.","status":"published","published":"2021-07-13T11:02:54Z","modified":"2024-08-03T20:11:28.082Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12563","description":"A vulnerability has been identified in RWG1.M12 (All versions \u003c V1.16.16), RWG1.M12D (All versions \u003c V1.16.16), RWG1.M8 (All versions \u003c V1.16.16). Sending specially crafted ARP packets to an affected device could cause a partial denial-of-service, preventing the device to operate normally. A restart is needed to restore normal operations.","status":"published","published":"2021-07-13T11:02:54Z","modified":"2024-08-03T20:11:28Z","updated_at":"2026-11-03T03:24:52.420769Z"}],"ghsa":[{"id":"GHSA-pj8q-v235-p5pv","title":"A vulnerability has been identified in RWG1.M12 (All versions \u003c V1.16.16), RWG1.M12D (All...","description":"A vulnerability has been identified in RWG1.M12 (All versions \u003c V1.16.16), RWG1.M12D (All versions \u003c V1.16.16), RWG1.M8 (All versions \u003c V1.16.16). Sending specially crafted ARP packets to an affected device could cause a partial denial-of-service, preventing the device to operate normally. A restart is needed to restore normal operations.","status":"published","published":"2022-05-24T19:07:44Z","modified":"2023-01-30T05:00:41Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:46:15.397604Z"}],"nvd":[{"id":"CVE-2021-25671","description":"A vulnerability has been identified in RWG1.M12 (All versions \u003c V1.16.16), RWG1.M12D (All versions \u003c V1.16.16), RWG1.M8 (All versions \u003c V1.16.16). Sending specially crafted ARP packets to an affected device could cause a partial denial-of-service, preventing the device to operate normally. A restart is needed to restore normal operations.","status":"published","published":"2021-07-13T11:15:09.37Z","modified":"2026-06-17T03:42:19.927Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:06:55.747384Z"}]}}