CVE-2021-31802
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Netgear R7000 Firmware
PublishedApr 26, 2021
First seenApr 26, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| netgear r7000_firmware | v ≤ 1.0.11.116 | — |
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