CVE-2021-27255

HIGH

NETGEAR Multiple Router and Extender Firmware - Unauthenticated Remote Code Execution via refresh_status.aspx

Title source: llm
STIX 2.1

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the refresh_status.aspx endpoint. The issue results from a lack of authentication required to start a service on the server. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12360.

References (2)

Core 2

Scores

CVSS v3 8.8
EPSS 0.0167
EPSS Percentile 82.3%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-306
Status published
Products (43)
netgear/br200_firmware < 5.10.0.5
netgear/br500_firmware < 5.10.0.5
netgear/d7800_firmware < 1.0.1.60
netgear/ex6100v2_firmware < 1.0.1.98
netgear/ex6150v2_firmware < 1.0.1.98
netgear/ex6250_firmware < 1.0.0.134
netgear/ex6400_firmware < 1.0.2.158
netgear/ex6400v2_firmware < 1.0.0.134
netgear/ex6410_firmware < 1.0.0.134
netgear/ex6420_firmware < 1.0.0.134
... and 33 more
Published Mar 05, 2021
Tracked Since Feb 18, 2026