CVE-2021-34982

Katalog CVE

CVSS 8.8 · High EPSS 0,58%

Kerentanan Stack-based Buffer Overflow pada netgear dc112a firmware, netgear ex3700 firmware +50 lainnya. Skor CVSS 3.0 8.8 (High) menurut trendmicro.com.

Deskripsi (NVD)

NETGEAR Multiple Routers httpd Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. When parsing the strings file, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-13709.

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-121: Stack-based Buffer Overflow
CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,58% peluang dieksploitasi; lebih tinggi dari 46,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.netgear.com/000064313/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Extenders-Ro... advisory vendor
• https://www.zerodayinitiative.com/advisories/ZDI-21-1274/ advisory pihak ketiga