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Critical

Unauthenticated PHP Command Injection in NUUO/NETGEAR ReadyNAS Surveillance __debugging_center_utils__.php

IdentifiersCVE-2016-5674CWE-20· Improper Input Validation

CVE-2016-5674 is an unauthenticated command-injection / arbitrary PHP code execution vulnerability in the web management interface of NUUO NVRmini 2 versions 1.7.5 through 3.0.0, NUUO NVRsolo versions 1.7.5 through 3.0.0, and NETGEAR ReadyNAS Surveillance versions 1.1.1 through 1.4.1. The vulnerable component is a hidden page, debugging_center_utils.php, which does not properly validate the log parameter. According to the provided context, attacker-controlled input from this parameter is passed to the PHP system() function, enabling remote execution of arbitrary commands/code.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

A remote unauthenticated attacker can execute arbitrary commands as root on affected devices and thereby gain complete control of the appliance. This can result in full compromise of the surveillance/NVR platform, including takeover of the management interface, access to stored video and configuration data, installation of persistent malware, pivoting within the local network, and disruption or manipulation of surveillance operations.

Mitigation

If you can’t patch tonight, do this now.

Restrict access to the affected web management interfaces to trusted hosts and management networks only, as recommended in the advisory context. Remove internet exposure, place devices behind VPN or administrative jump hosts, enforce network ACLs/firewall rules limiting access to authorized administrators, and continuously monitor for exploitation attempts targeting debugging_center_utils.php and the log parameter. Where replacement is feasible, migrate away from affected unsupported versions.

Remediation

Patch, then assume compromise.

The provided advisory context states that no practical vendor solution or patch was identified at the time of the advisory. Organizations should monitor for any vendor-issued firmware updates, product replacement guidance, or upgrade paths, and apply them if they become available. If supported in the environment, affected devices should be retired, replaced, or isolated from untrusted networks.
PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.

VALID 0 / 1 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
NetgearReadynas Surveillanceapplication
NuuoNvrmini 2hardware
NuuoNvrsolooperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence1

Every observed campaign linking this CVE to a named adversary.

Associated malware1

Malware families riding this exploit, with evidence and IOCs.

Detection signatures1

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2016-5674
NVD
nvd.nist.gov/vuln/detail/CVE-2016-5674
MITRE CWE · CWE-20
Improper Input Validation
Third Party Advisory
kb.cert.org/vuls/id/856152
securityfocus.com
securityfocus.com/bid/92318
exploit-db.com
exploit-db.com/exploits/40200