Vulnerability Details CVE-2021-31802
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.112
EPSS Ranking 93.1%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 8.3
References
Products affected by CVE-2021-31802
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cpe:2.3:h:netgear:r7000:-
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cpe:2.3:o:netgear:r7000_firmware:-
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cpe:2.3:o:netgear:r7000_firmware:1.0.11.100
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cpe:2.3:o:netgear:r7000_firmware:1.0.11.106
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cpe:2.3:o:netgear:r7000_firmware:1.0.11.110
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cpe:2.3:o:netgear:r7000_firmware:1.0.11.116
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cpe:2.3:o:netgear:r7000_firmware:1.0.7.10
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cpe:2.3:o:netgear:r7000_firmware:1.0.7.2_1.1.93
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.10
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.12
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.14
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.18
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.26
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.28
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.32
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.34
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.4
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.42
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.6
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.60
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cpe:2.3:o:netgear:r7000_firmware:1.0.9.88