Description
Five buffer overflows in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier may allow a remote attacker to initiate a denial-of-service attack and execute arbitrary code.
References (2)
Core 2
Core References
Mitigation, Third Party Advisory, US Government Resource x_refsource_confirm
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
Vendor Advisory x_refsource_confirm
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
Scores
CVSS v3
9.8
EPSS
0.0138
EPSS Percentile
80.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-121
CWE-787
Status
published
Products (4)
moxa/nport_iaw5150a-12i\/o_firmware
< 2.2
moxa/nport_iaw5150a-6i\/o_firmware
< 2.2
moxa/nport_iaw5250a-12i\/o_firmware
< 2.2
moxa/nport_iaw5250a-6i\/o_firmware
< 2.2
Published
Apr 01, 2022
Tracked Since
Feb 18, 2026