Is CVE-2016-5674 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2016-5674, but active exploitation has not been confirmed.

Can CVE-2016-5674 be exploited remotely?

Yes. CVE-2016-5674 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2016-5674?

CVE-2016-5674 has a CVSS score of 9.8 (CRITICAL).

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CRITICALPOC

CVE-2016-5674

CWE-20Published: August 31, 2016· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

__debugging_center_utils___.php in NUUO NVRmini 2 1.7.5 through 3.0.0, NUUO NVRsolo 1.7.5 through 3.0.0, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to execute arbitrary PHP code via the log parameter.

NVD Source

Technical Analysis

CVE-2016-5674 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2016-5674. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.