CVE-2021-39279

HIGH

Moxa Wac-2004 Firmware - OS Command Injection

Title source: rule
STIX 2.1

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.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.moxa.com
Exploit, Third Party Advisory, VDB Entry
https://packetstormsecurity.com/files/164014

Scores

CVSS v3 8.8
EPSS 0.0589
EPSS Percentile 90.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (12)
moxa/oncell_g3470a-lte-eu-t_firmware 1.7
moxa/oncell_g3470a-lte-eu_firmware 1.7
moxa/tap-323-eu-ct-t_firmware 1.3
moxa/tap-323-jp-ct-t_firmware 1.3
moxa/tap-323-us-ct-t_firmware 1.3
moxa/wac-1001-t_firmware 2.1
moxa/wac-1001_firmware 2.1
moxa/wac-2004_firmware 1.7
moxa/wdr-3124a-eu-t_firmware 2.3
moxa/wdr-3124a-eu_firmware 2.3
... and 2 more
Published Sep 07, 2021
Tracked Since Feb 18, 2026