What is CVE-2026-1222?

CVE-2026-1222 is a high-severity vulnerability in Browan Communications Prismx Mx100 Ap Controller, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2026-01-20.

How severe is CVE-2026-1222?

High severity. CVSS v3 base score is 7.2 out of 10.

Arbitrary file upload in Browan Communications Prismx Mx100 Ap Controller

CVE-2026-1222

PrismX MX100 AP controller developed by BROWAN COMMUNICATIONS has an Arbitrary File Upload vulnerability, allowing privileged remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Vulnerability class: Unrestricted File Upload

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Browan Communications Prismx Mx100 Ap Controller — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

twcert@cert.org.tw (third-party-advisory)
twcert@cert.org.tw (third-party-advisory)

Frequently asked questions

What is CVE-2026-1222?: CVE-2026-1222 is a high-severity vulnerability in Browan Communications Prismx Mx100 Ap Controller, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2026-01-20.
How severe is CVE-2026-1222?: High severity. CVSS v3 base score is 7.2 out of 10.