CVE-2021-27114
CRITICALD-Link DIR-816 A2 1.10 B05 - Stack-Based Buffer Overflow via /goform/addassignment Handler
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.dlink.com/en/security-bulletin/
Exploit, Third Party Advisory x_refsource_misc
https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.md
Scores
CVSS v3
9.8
EPSS
0.0260
EPSS Percentile
85.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
dlink/dir-816_firmware
1.10b05
Published
Apr 14, 2021
Tracked Since
Feb 18, 2026