Weintek cMT3092X HMI allows a non-privileged user to modify cookies to gain elevated privileges.
https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-03
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-204-03.json
https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf
Published: 2026-07-24
Updated: 2026-07-24
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
Base Score: 8.7
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: High