What is CVE-2026-31927?

CVE-2026-31927 is a medium-severity vulnerability in Anviz Cx7 Firmware, classified under Relative Path Traversal. CVSS score: 4.9/10. Published 2026-04-17.

How severe is CVE-2026-31927?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Anviz Cx7 Firmware

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.

Published 2026-04-17 · last modified 2026-07-10.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.002

Affected products

Anviz Cx7 Firmware — versions All versions
Anviz Cx7
Anviz Cx7 Firmware

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

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-2026-31927?: CVE-2026-31927 is a medium-severity vulnerability in Anviz Cx7 Firmware, classified under Relative Path Traversal. CVSS score: 4.9/10. Published 2026-04-17.
How severe is CVE-2026-31927?: Medium severity. CVSS v3 base score is 4.9 out of 10.