{"id":"CVE-2021-39279","aliases":["EUVD-2021-25641","GHSA-h724-3h22-3p4x"],"status":"published","title":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This...","description":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3.","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":"2026-11-12","score":0.04613,"percentile":0.91809,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-09-07T05:40:14Z","modified":"2026-06-17T04:03:27Z","products":[{"vendor":"moxa","product":"oncell_g3470a-lte-eu-t_firmware"},{"vendor":"moxa","product":"oncell_g3470a-lte-eu_firmware"},{"vendor":"moxa","product":"tap-323-eu-ct-t_firmware"},{"vendor":"moxa","product":"tap-323-jp-ct-t_firmware"},{"vendor":"moxa","product":"tap-323-us-ct-t_firmware"},{"vendor":"moxa","product":"wac-1001-t_firmware"},{"vendor":"moxa","product":"wac-1001_firmware"},{"vendor":"moxa","product":"wac-2004_firmware"},{"vendor":"moxa","product":"wdr-3124a-eu-t_firmware"},{"vendor":"moxa","product":"wdr-3124a-eu_firmware"},{"vendor":"moxa","product":"wdr-3124a-us-t_firmware"},{"vendor":"moxa","product":"wdr-3124a-us_firmware"}],"references":[{"url":"https://www.moxa.com","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39279"},{"url":"https://packetstormsecurity.com/files/164014","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/advisories/GHSA-h724-3h22-3p4x"}],"sources":{"cve":[{"id":"CVE-2021-39279","description":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3.","status":"published","published":"2021-09-07T05:40:14Z","modified":"2024-08-04T02:06:41.559Z","updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25641","description":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3.","status":"published","published":"2021-09-07T05:40:14Z","modified":"2024-08-04T02:06:41Z","updated_at":"2026-11-03T03:24:23.719378Z"}],"ghsa":[{"id":"GHSA-h724-3h22-3p4x","title":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This...","description":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3.","status":"published","published":"2022-05-24T19:13:16Z","modified":"2023-01-30T05:01:55Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:46:31.204916Z"}],"nvd":[{"id":"CVE-2021-39279","description":"Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7, WAC-1001 2.1, WAC-1001-T 2.1, OnCell G3470A-LTE-EU 1.7, OnCell G3470A-LTE-EU-T 1.7, TAP-323-EU-CT-T 1.3, TAP-323-US-CT-T 1.3, TAP-323-JP-CT-T 1.3, WDR-3124A-EU 2.3, WDR-3124A-EU-T 2.3, WDR-3124A-US 2.3, and WDR-3124A-US-T 2.3.","status":"published","published":"2021-09-07T06:15:08.327Z","modified":"2026-06-17T04:03:27.637Z","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":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}