{"id":"CVE-2023-1262","aliases":["EUVD-2023-23530","GHSA-cjwm-65c2-wwqf"],"status":"published","title":"Missing MAC layer security in Wi-SUN Linux Border Router","description":"Missing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00439,"percentile":0.38638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-03-21T20:30:16Z","modified":"2026-10-28T02:31:05Z","products":[{"vendor":"silabs","product":"wireless_smart_ubiquitous_network_linux_border_router_firmware"},{"vendor":"silabs.com","product":"wi-sun linux border router"}],"references":[{"url":"https://github.com/SiliconLabs/wisun-br-linux","tags":["patch","x_transferred","Product","fix"]},{"url":"https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000SMyfRQAT?operationContext=S1","tags":["vendor-advisory","x_transferred","Permissions Required","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1262","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cjwm-65c2-wwqf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1262.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-1262","title":"Missing MAC layer security in Wi-SUN Linux Border Router","description":"\nMissing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.\n\n","status":"published","published":"2023-03-21T20:30:16.762Z","modified":"2025-02-26T16:27:52.856Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:35:31.657022Z"}],"euvd":[{"id":"EUVD-2023-23530","description":"\nMissing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.\n\n","status":"published","published":"2023-03-21T20:30:16Z","modified":"2025-02-26T16:27:52Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:23.257772Z"}],"ghsa":[{"id":"GHSA-cjwm-65c2-wwqf","title":"Missing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows...","description":"Missing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.","status":"published","published":"2023-03-21T21:30:19Z","modified":"2023-04-07T05:07:20Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:54:27.812339Z"}],"nvd":[{"id":"CVE-2023-1262","description":"\nMissing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.\n\n","status":"published","published":"2023-03-21T21:15:12.22Z","modified":"2026-06-17T05:27:29.767Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:50.908252Z"}],"osv":[{"id":"CVE-2023-1262","title":"Missing MAC layer security in Wi-SUN Linux Border Router","description":"\nMissing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.\n\n","status":"published","published":"2023-03-21T20:30:16.762Z","modified":"2026-10-28T02:31:05.416655269Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:44:29.487253Z"}]}}