CVE-2026-40066

HIGH

Published Apr 17, 2026 Modified May 4, 2026 CWE-494

Description

Anviz CX2 Lite and CX7 are vulnerable to unverified update packages that can be uploaded. The device unpacks and executes a script resulting in unauthenticated remote code execution.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0003

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-494 CWE-494

Affected Products

Vendor	Product	Versions
anviz	cx7_firmware	All
anviz	cx7	All
anviz	cx2_lite_firmware	All
anviz	cx2_lite	All

References

Other References

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

Frequently Asked Questions

What is CVE-2026-40066? +

Anviz CX2 Lite and CX7 are vulnerable to unverified update packages that can be uploaded. The device unpacks and executes a script resulting in unauthenticated remote code execution. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-40066? +

CVE-2026-40066 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0003, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-40066? +

CVE-2026-40066 affects products from anviz, specifically: cx2_lite, cx2_lite_firmware, cx7, cx7_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-40066? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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Quick Facts

CVSS Score: 8.8
Severity: HIGH
EPSS: 0.0003
Published: Apr 17, 2026

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