CVE-2021-34947

Katalog CVE

CVSS 8.8 · High EPSS 0,55%

Kerentanan Out-of-bounds Write pada netgear d7800 firmware, netgear ex2700 firmware +39 lainnya. Skor CVSS 3.0 8.8 (High) menurut trendmicro.com.

Deskripsi (NVD)

NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-13055.

Rincian

Terbit di NVD

7 Mei 2024

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.0

8.8 (High), sumber trendmicro.com
CVSS:3.0/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)

0,55% peluang dieksploitasi; lebih tinggi dari 44,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.netgear.com/000064044/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-... advisory pihak ketiga
• https://www.zerodayinitiative.com/advisories/ZDI-21-1116/ advisory pihak ketiga