CVE-2021-31250
MEDIUM
5.4
CVSS Score
Published: June 4, 2021 at 08:28 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
6 products affected across 1 vendorBf 431 FirmwareBf 450M FirmwareBf 430 Firmware
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Severity
MEDIUM5.4
Exploit prediction
EPSS 80%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Bf-430· Chiyu Techdevice
80%All versions
Bf-431· Chiyu Techdevice
80%All versions
Bf-450M· Chiyu Techdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31250x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.chiyu-tech.com/msg/message-Firmware-update-87.htmCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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