Critical severity9.8NVD Advisory· Published Aug 22, 2022· Updated Jun 17, 2026
CVE-2022-37134
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.
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Affected products
3- cpe:2.3:o:dlink:dir-816_firmware:1.10cnb04:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.mdnvdExploitThird Party Advisory
- www.dlink.com/en/security-bulletin/nvdVendor Advisory
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