CVE-2026-1222: BROWAN COMMUNICATIONS ｜PrismX MX100 AP controller - Arbitrary File Upload

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-20 · updated 2026-06-17
Weakness: CWE-434

Description

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.

Affected products

BROWAN COMMUNICATIONS PrismX MX100 AP controller: before 1.03.23.01 — fixed in 1.03.23.01

How to fix

Upgrade to a fixed version: BROWAN COMMUNICATIONS PrismX MX100 AP controller 1.03.23.01. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-10643-2f8d7-2.html
https://www.twcert.org.tw/tw/cp-132-10642-3b808-1.html

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