CVE-2020-27866

Katalog CVE

CVSS 8.8 · High EPSS 8,7%

Kerentanan Authentication Bypass Using an Alternate Path or Channel pada netgear ac2100 firmware, netgear ac2400 firmware +17 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020, Nighthawk AC2100, and Nighthawk AC2400 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-11355.

Rincian

Terbit di NVD

12 Februari 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-288: Authentication Bypass Using an Alternate Path or Channel
CWE-287: Improper Authentication

EPSS (30 hari)

8,7% peluang dieksploitasi; lebih tinggi dari 95,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Routers advisory vendor
• https://www.zerodayinitiative.com/advisories/ZDI-20-1451/ advisory pihak ketiga · vdb entry