Critical severity · published Aug 22, 2022
CVE-2022-37134
D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi
9.8
CVSS
21.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)21.7% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dir-816 Firmware · Dlink
1.10cnb04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-37134
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-37134
Exploit
https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.md
Vendor Advisory
https://www.dlink.com/en/security-bulletin/
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