CVE-2022-37134
criticalpriority · attend · 47EPSS 0.217 · 98 %ileEUUSEPSS · scored 2026-10-26
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-37134/cnnvd
- https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.mdcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-37134cnnvd
- https://www.dlink.com/en/security-bulletin/cnnvd
- https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.mdenisa_euvd
- https://www.dlink.com/en/security-bulletin/enisa_euvd
- https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.mdExploitThird Party Advisorynvd
- https://www.dlink.com/en/security-bulletin/Vendor Advisorynvd
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