Medium severity6.5NVD Advisory· Published Jun 4, 2021· Updated Jun 17, 2026
CVE-2021-31249
CVE-2021-31249
Description
A CRLF injection vulnerability was found on BF-430, BF-431, and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of validation on the parameter redirect= available on multiple CGI components.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- CHIYU Technology Inc/TCP/IP Converter devicesdescription
Patches
Vulnerability mechanics
References
3- gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devicesnvdExploitThird Party Advisory
- seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/nvdExploitThird Party Advisory
- www.chiyu-tech.com/msg/message-Firmware-update-87.htmlnvdVendor Advisory
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