Critical severity9.8NVD Advisory· Published Sep 8, 2022· Updated Jun 17, 2026
CVE-2021-34236
CVE-2021-34236
Description
Buffer Overflow in Netgear R8000 Router with firmware v1.0.4.56 allows remote attackers to execute arbitrary code or cause a denial-of-service by sending a crafted POST to '/bd_genie_create_account.cgi' with a sufficiently long parameter 'register_country'.
Affected products
3- cpe:2.3:o:netgear:r8000_firmware:1.0.4.56:*:*:*:*:*:*:*
- Netgear/R8000 Routerdescription
- Range: v1.0.4.56
Patches
Vulnerability mechanics
References
2- github.com/advisories/GHSA-vfq9-7wg3-4mjxnvdThird Party Advisory
- github.com/Davidteeri/Bug-Report/blob/main/netgear-8000.mdnvdBroken Link
News mentions
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