A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25367
Reference (s):
- http://d-link.com
- https://github.com/sek1th/iot/blob/master/dir823g_3.md
- https://www.dlink.com/en/security-bulletin/