Critical severity · published Sep 8, 2022
CVE-2021-34236
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…
9.8
CVSS
1.5%
EPSS
No
On KEV
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'.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
R8000 Firmware · Netgear
1.0.4.56 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34236
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34236
Broken Link
https://github.com/Davidteeri/Bug-Report/blob/main/netgear-8000.md
Third Party Advisory
https://github.com/advisories/GHSA-vfq9-7wg3-4mjx
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