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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-31802 Detail

Description

NETGEAR R7000 1.0.11.116 devices have a heap-based Buffer Overflow that is exploitable from the local network without authentication. The vulnerability exists within the handling of an HTTP request. An attacker can leverage this to execute code as root. The problem is that a user-provided length value is trusted during a backup.cgi file upload. The attacker must add a \n before the Content-Length header.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://ssd-disclosure.com/ssd-advisory-netgear-nighthawk-r7000-httpd-preauth-rce/ Exploit  Third Party Advisory 
https://ssd-disclosure.com/ssd-advisory-netgear-nighthawk-r7000-httpd-preauth-rce/ Exploit  Third Party Advisory 
https://www.netgear.com/about/security/ Vendor Advisory 
https://www.netgear.com/about/security/ Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-31802
NVD Published Date:
04/26/2021
NVD Last Modified:
11/21/2024
Source:
MITRE