CVE-2026-35546

Severity CVSS v4.0:

Pending analysis

Type:

CWE-306 Missing Authentication for Critical Function

Publication date:

17/04/2026

Last modified:

20/04/2026

Description

Anviz CX2 Lite and CX7 are vulnerable to unauthenticated firmware uploads. This causes crafted <br /> archives to be accepted, enabling attackers to plant and execute code <br /> and obtain a reverse shell.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.json
https://www.anviz.com/contact-us.html
https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-03