Remote Command Execution Vulnerability in NETGEAR Routers
CVE-2016-6277

8.8HIGH

Key Information:

Vendor: Netgear
Status: D6220 Firmware; D6400 Firmware; R6250 Firmware; R6400 Firmware
Vendor: CVE Published:; 14 December 2016

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%🦅 CISA Reported

Summary

NETGEAR routers, including multiple models such as R6250, R6400, and R7000, are susceptible to a vulnerability that enables remote attackers to execute arbitrary commands. This flaw is exploited by manipulating shell metacharacters in the path info sent to the cgi-bin, allowing unauthorized execution of commands from a remote location. Users are strongly advised to update their firmware to the latest version to mitigate this risk.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2016-6277 - Proof of Concept