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 93%🦅 CISA Reported

What is CVE-2016-6277?

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 has reported CVE-2016-6277

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 CVE-2016-6277 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.

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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