External risk intelligence

Netgear Wireless Access Point Command Execution Vulnerability.

CVE advisoryKnown Exploit

CVE-2016-1555

Certain Netgear devices are vulnerable to remote command execution via their web interfaces. Attackers can exploit this flaw to compromise systems, impacting data and services. This poses a business risk to organizations using these devices.

5Halo Surface Signal

Netgear Wnap320 Firmware

3.0.5.0 and earlier3.3.2 and earlier

External exposure likelihood

Halo Surface Signal score for CVE-2016-1555

The affected devices are wireless access points, which are designed as internet-facing network infrastructure. The vulnerability resides in web-accessible management interfaces that are commonly exposed to the network to facilitate device administration, making them inherently public-facing or edge-reachable in standard deployment scenarios.

Horizon Alert

Summary of the vulnerability and why it matters

Certain Netgear devices contain a flaw in their web-based management interface that could allow unauthorized remote access to the device. Attackers could exploit this weakness to execute commands, potentially leading to broader system compromise. This could impact the confidentiality, integrity, and availability of data and systems.

  • Vulnerable Netgear web interfaces
  • Command injection via input
  • Unauthorized command execution

Attack Path

How an attacker could exploit the issue

The described vulnerability allows remote attackers to execute arbitrary commands on affected Netgear devices. This occurs when specific web pages process form input directly, leading to command injection. Exploitation of this vulnerability could result in the compromise of impacted systems.

  • Exposure condition: Web pages are directly exposed.
  • Attacker starting point: Remote, unauthenticated.
  • Trigger and result: Input is sent to command-line, allowing code execution.

Live Threat

Current exploitation, exposure, and threat context

The vulnerability could allow attackers to execute arbitrary commands on affected network devices. This could lead to unauthorized access, data compromise, or disruption of services. Given the potential for widespread impact and the critical severity rating, organizations should prioritize addressing this vulnerability.

  • Attackers with low skill levels.
  • Remote access with no authentication required.
  • High business risk and urgency.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Remote attackers may execute arbitrary commands through vulnerable Netgear wireless access points. This vulnerability, classified as critical, allows for unauthenticated remote code execution, posing a significant risk to affected organizations. The impact could include compromise of network infrastructure, unauthorized access to sensitive data, and disruption of services.

  • Identify exposed Netgear access points.
  • Reduce exposure or isolate affected devices.
  • Apply vendor fixes and verify.
  • Monitor for related activity.

Frequently asked questions

What are Netgear WNAP320, WNDAP350, WNDAP360, WNDAP210v2, WN604, WNDAP660, and WN802Tv2 devices used for?

These Netgear devices are wireless access points (WAPs). They are used to extend wireless network coverage and provide Wi-Fi connectivity in various environments, allowing multiple devices to connect to a network wirelessly.

What is CVE-2016-1555 and what type of weakness does it represent?

CVE-2016-1555 is a vulnerability in certain Netgear wireless access points that allows remote attackers to execute arbitrary commands. This is a command injection weakness (CWE-77), meaning attackers can trick the device into running unintended commands.

How can an attacker exploit this Netgear vulnerability without being authenticated?

An attacker can exploit this by sending specially crafted input to specific web pages on the affected devices. These pages process user input directly into the command-line interface, allowing attackers to execute commands remotely without needing any login credentials.

Who should be concerned about this vulnerability, considering its network exposure?

Organizations with internet-facing network infrastructure should be concerned. Since these are wireless access points, their management interfaces are often accessible from the network, making them potentially exposed to the internet or other untrusted network segments.

What is the first step for responding to this Netgear CVE-2016-1555 threat?

The first step is to identify any Netgear WNAP320, WNDAP350, WNDAP360, WNDAP210v2, WN604, WNDAP660, or WN802Tv2 devices within your network and check if they are running vulnerable firmware versions. If so, applying the latest firmware updates from Netgear is crucial.

References