RCE in Dlink Dir-823g

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.103 (95.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-25367?
CVE-2020-25367 is a critical-severity vulnerability in Dlink Dir-823g, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-11-04.
How severe is CVE-2020-25367?
Critical severity. CVSS v3 base score is 9.8 out of 10.