Unrated severityNVD Advisory· Published Apr 26, 2021· Updated Aug 3, 2024
CVE-2021-31802
CVE-2021-31802
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.
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Affected products
2- NETGEAR/R7000description
Patches
Vulnerability mechanics
References
2- ssd-disclosure.com/ssd-advisory-netgear-nighthawk-r7000-httpd-preauth-rce/mitrex_refsource_MISC
- www.netgear.com/about/security/mitrex_refsource_MISC
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