CVE-2020-25367

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2021-11-04

Last modified

2026-07-09

Weaknesses

CWE-78

Affected products

• Dir-823g Firmware (Dlink)

References

• https://github.com/sek1th/iot/blob/master/dir823g_3.md
• https://www.dlink.com/en/security-bulletin/