CVE-2021-31250: Chiyu-Tech Bf-430 Firmware

Medium severity, CVSS 5.4. EPSS: 79.6% chance of exploitation in the next 30 days.

Multiple storage XSS vulnerabilities were discovered on BF-430, BF-431 and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of sanitization of the input on the components man.cgi, if.cgi, dhcpc.cgi, ppp.cgi.

Affected products

• Chiyu-Tech Bf-430 Firmware: affected versions not specified
• Chiyu-Tech Bf-431 Firmware: affected versions not specified
• Chiyu-Tech Bf-450m Firmware: affected versions not specified

Published 2021-06-04. Last modified 2026-06-17.