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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.008 · change: +0.002
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
- github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.js… (Third Party Advisory)
- www.anviz.com/contact-us.html (Product)
- www.cisa.gov/news-events/ics-advisories/icsa-26-106-03 (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.