UD-LT1 firmware Ver.2.1.9 and earlier and UD-LT1/EX firmware Ver.2.1.9 and earlier allow a remote authenticated attacker with an administrative account to execute arbitrary OS commands.
https://www.bleepingcomputer.com/news/security/japan-warns-of-io-data-zero-day-router-flaws-exploited-in-attacks/
https://www.securityweek.com/i-o-data-confirms-zero-day-attacks-on-routers-full-patches-pending/
https://www.iodata.jp/support/information/2024/11_ud-lt1/
https://jvn.jp/en/jp/JVN46615026/index.html
https://jvn.jp/en/jp/JVN46615026/
Source: Mitre, NVD
Published: 2024-12-05
Updated: 2026-04-15
Base Score: 8.3
Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C
Severity: High
Base Score: 7.2
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00171