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.
                
            References
                    | Link | Resource | 
|---|---|
| https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249 | Exploit Third Party Advisory | 
| https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ | Exploit Third Party Advisory | 
| https://www.chiyu-tech.com/msg/message-Firmware-update-87.html | Vendor Advisory | 
| https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249 | Exploit Third Party Advisory | 
| https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ | Exploit Third Party Advisory | 
| https://www.chiyu-tech.com/msg/message-Firmware-update-87.html | Vendor Advisory | 
Configurations
                    Configuration 1 (hide)
| AND | 
 
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Configuration 2 (hide)
| AND | 
 
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Configuration 3 (hide)
| AND | 
 
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History
                    21 Nov 2024, 06:05
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249 - Exploit, Third Party Advisory | |
| References | () https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ - Exploit, Third Party Advisory | |
| References | () https://www.chiyu-tech.com/msg/message-Firmware-update-87.html - Vendor Advisory | 
08 Aug 2023, 14:21
| Type | Values Removed | Values Added | 
|---|---|---|
| CWE | CWE-74 | 
08 Jun 2021, 20:15
| Type | Values Removed | Values Added | 
|---|---|---|
| CVSS | v2 : v3 : | v2 : 6.4 v3 : 6.5 | 
| CWE | NVD-CWE-Other | |
| References | (MISC) https://www.chiyu-tech.com/msg/message-Firmware-update-87.html - Vendor Advisory | |
| References | (MISC) https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249 - Exploit, Third Party Advisory | |
| References | (MISC) https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ - Exploit, Third Party Advisory | |
| CPE | cpe:2.3:o:chiyu-tech:bf-431_firmware:-:*:*:*:*:*:*:* cpe:2.3:h:chiyu-tech:bf-430:-:*:*:*:*:*:*:* cpe:2.3:o:chiyu-tech:bf-450m_firmware:-:*:*:*:*:*:*:* cpe:2.3:o:chiyu-tech:bf-430_firmware:-:*:*:*:*:*:*:* cpe:2.3:h:chiyu-tech:bf-450m:-:*:*:*:*:*:*:* cpe:2.3:h:chiyu-tech:bf-431:-:*:*:*:*:*:*:* | 
04 Jun 2021, 21:15
| Type | Values Removed | Values Added | 
|---|---|---|
| New CVE | 
Information
                Published : 2021-06-04 21:15
Updated : 2024-11-21 06:05
NVD link : CVE-2021-31249
Mitre link : CVE-2021-31249
CVE.ORG link : CVE-2021-31249
JSON object : View
Products Affected
                chiyu-tech
- bf-431
- bf-450m_firmware
- bf-450m
- bf-430
- bf-430_firmware
- bf-431_firmware
CWE
                
                    
                        
                        CWE-74
                        
            Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
