What’s Vulnerable › Vulnerabilities

CVE-2020-25367

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-04 · updated 2026-07-09
• Weakness: CWE-78

Description

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.

Affected products

• D-Link DIR-823G: 1.0.2b05

References

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

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