CVE-2022-27645

HIGH

Netgear Lax20 Firmware < 1.1.6.34 - Missing Authentication

Title source: rule

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within readycloud_control.cgi. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15762.

References (2)

[Vendor Advisory] https://kb.netgear.com/000064722/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-Fixed-Wireless-Products-PSV-2021-0325

[Third Party Advisory, VDB Entry] https://www.zerodayinitiative.com/advisories/ZDI-22-522/

Scores

CVSS v3 8.8

EPSS 0.0014

EPSS Percentile 34.3%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-697 CWE-306

Status published

Products (23)

netgear/lax20_firmware < 1.1.6.34

netgear/r6400_firmware < 1.0.4.126

netgear/r6700_firmware < 1.0.4.126

netgear/r7000_firmware < 1.0.11.134

netgear/r7850_firmware < 1.0.5.84

netgear/r7900p_firmware < 1.4.3.88

netgear/r7960p_firmware < 1.4.3.88

netgear/r8000_firmware < 1.0.4.84

netgear/r8000p_firmware < 1.4.3.88

netgear/r8500_firmware < 1.0.2.158

... and 13 more

Published Mar 29, 2023

Tracked Since Feb 18, 2026