CVE-2021-27114 Information

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

Reference

https://www.dlink.com/en/security-bulletin/ https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.md

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8