Is CVE-2016-5676 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2016-5676, but active exploitation has not been confirmed.

Can CVE-2016-5676 be exploited remotely?

Yes. CVE-2016-5676 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2016-5676?

CVE-2016-5676 has a CVSS score of 7.5 (HIGH).

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HIGHPOC

CVE-2016-5676

CWE-285Published: August 31, 2016· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

cgi-bin/cgi_system in NUUO NVRmini 2 1.7.5 through 2.x, NUUO NVRsolo 1.7.5 through 2.x, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to reset the administrator password via a cmd=loaddefconfig action.

NVD Source

Technical Analysis

CVE-2016-5676 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 full integrity compromise (data manipulation), with a CVSS base score of 7.5.

A proof-of-concept (PoC) exploit exists for CVE-2016-5676. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.