CVE-2021-31250

MEDIUM EXPLOITED NUCLEI

Chiyu-tech Bf-430 Firmware - XSS

Title source: rule

Description

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.

Nuclei Templates (1)

CHIYU TCP/IP Converter - Cross-Site Scripting

MEDIUMby geeknik

References (3)

[Exploit, Third Party Advisory] https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31250

[Exploit, Third Party Advisory] https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/

[Vendor Advisory] https://www.chiyu-tech.com/msg/message-Firmware-update-87.htm

Scores

CVSS v3 5.4

EPSS 0.8283

EPSS Percentile 99.3%

Attack Vector NETWORK

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

Details

VulnCheck KEV 2024-04-08

CWE

CWE-79

Status published

Products (3)

chiyu-tech/bf-430_firmware

chiyu-tech/bf-431_firmware

chiyu-tech/bf-450m_firmware

Published Jun 04, 2021

Tracked Since Feb 18, 2026