{"id":"CVE-2021-37188","aliases":["EUVD-2021-23762","GHSA-v69j-xjp2-jhm8"],"status":"published","title":"An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker...","description":"An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00481,"percentile":0.41939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326","CWE-345"],"published":"2021-12-10T12:46:43Z","modified":"2026-06-17T04:00:13Z","products":[{"vendor":"digi","product":"transport_dr64_firmware"},{"vendor":"digi","product":"transport_vc74_firmware"},{"vendor":"digi","product":"transport_wr11_firmware"},{"vendor":"digi","product":"transport_wr11_xt_firmware"},{"vendor":"digi","product":"transport_wr21_firmware"},{"vendor":"digi","product":"transport_wr31_firmware"},{"vendor":"digi","product":"transport_wr41_firmware"},{"vendor":"digi","product":"transport_wr44_firmware"}],"references":[{"url":"https://www.digi.com/search/results?q=transport","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txt","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37188"},{"url":"https://github.com/advisories/GHSA-v69j-xjp2-jhm8"}],"sources":{"cve":[{"id":"CVE-2021-37188","description":"An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.","status":"published","published":"2021-12-10T12:46:43Z","modified":"2024-08-04T01:16:02.881Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-23762","description":"An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.","status":"published","published":"2021-12-10T12:46:43Z","modified":"2024-08-04T01:16:02Z","updated_at":"2026-11-03T03:24:28.314716Z"}],"ghsa":[{"id":"GHSA-v69j-xjp2-jhm8","title":"An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker...","description":"An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.","status":"published","published":"2021-12-11T00:00:44Z","modified":"2023-01-27T05:01:11Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:41:50.079409Z"}],"nvd":[{"id":"CVE-2021-37188","description":"An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.","status":"published","published":"2021-12-10T13:15:07.71Z","modified":"2026-06-17T04:00:13.39Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}