cve/2022/CVE-2022-37134.md

CVE-2022-37134

Description

D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.

POC

Reference

• https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.md
• https://www.dlink.com/en/security-bulletin/

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/z1r00/IOT_Vul