Auth bypass in Anviz Cx2 Lite Firmware
CVE-2026-35546
Anviz CX2 Lite and CX7 are vulnerable to unauthenticated firmware uploads. This causes crafted archives to be accepted, enabling attackers to plant and execute code and obtain a reverse shell.
Vulnerability class: Broken Authentication
EPSS: 0.001 (22.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Anviz Cx2 Lite Firmware — versions All versions
- Anviz Cx7 Firmware — versions All versions
- Anviz Cx2_lite
- Anviz Cx2_lite_firmware
- Anviz Cx7
- Anviz Cx7_firmware
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (Third Party Advisory)
- ics-cert@hq.dhs.gov (Product)
- ics-cert@hq.dhs.gov (US Government Resource)
Frequently asked questions
- What is CVE-2026-35546?
- CVE-2026-35546 is a critical-severity vulnerability in Anviz Cx2 Lite Firmware, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-04-17.
- How severe is CVE-2026-35546?
- Critical severity. CVSS v3 base score is 9.8 out of 10.