Critical severity9.8NVD Advisory· Published Nov 4, 2021· Updated Jul 9, 2026
CVE-2020-25367
CVE-2020-25367
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.
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Affected products
3- cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:*
- D-Link/DIR-823Gdescription
Patches
Vulnerability mechanics
References
2- github.com/sek1th/iot/blob/master/dir823g_3.mdnvdExploitThird Party Advisory
- www.dlink.com/en/security-bulletin/nvdNot ApplicableVendor Advisory
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