Critical severity · published Apr 14, 2021
CVE-2021-27114
An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices
9.8
CVSS
24.6%
EPSS
No
On KEV
Description
An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.
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)24.6% · 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
1.10b05 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27114
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27114
Exploit
https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.md
Vendor Advisory
https://www.dlink.com/en/security-bulletin/
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