CVE-2021-31802

Katalog CVE

CVSS 8.8 · High EPSS 14,2%

Kerentanan Out-of-bounds Write pada netgear r7000 firmware. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

26 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

14,2% peluang dieksploitasi; lebih tinggi dari 96,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.netgear.com/about/security/ advisory vendor
• https://ssd-disclosure.com/ssd-advisory-netgear-nighthawk-r7000-httpd-preauth-rce/ exploit · advisory pihak ketiga