CVE-2026-31927

Description

Anviz CX7 Firmware is vulnerable to an authenticated CSV upload which allows path traversal to overwrite arbitrary files (e.g., /etc/shadow), enabling unauthorized SSH access when combined with debug‑setting changes

CVSS v3.1 Score

4.9

MEDIUM

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

EPSS — Exploit Prediction

0.0005

Probability of exploitation

0.15%

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-23 CWE-23

Affected Products

Vendor	Product	Versions
anviz	cx7_firmware	All
anviz	cx7	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-2026-31927? +

Anviz CX7 Firmware is vulnerable to an authenticated CSV upload which allows path traversal to overwrite arbitrary files (e.g., /etc/shadow), enabling unauthorized SSH access when combined with debug‑setting changes It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2026-31927? +

CVE-2026-31927 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-31927? +

CVE-2026-31927 affects products from anviz, specifically: cx7, cx7_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-31927? +

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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