CVE-2022-37134

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

21.23% chance of exploitation in the next 30 days, 97th percentile

Published

2022-08-22

Updated

2024-08-03

Proof-of-concept exploits (1)

• z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.md

References

• CVE Record
• NVD entry

Related

• CVE-2022-37133
• CVE-2022-37137
• CVE-2022-37130
• CVE-2022-37138
• CVE-2022-37129
• CVE-2022-37139