CVE-2016-5675

CRITICAL

NETGEAR ReadyNAS Surveillance 1.1.1-1.4.1 - Remote Code Execution via NTPServer Parameter

Title source: manual
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2016-5675. PoCs published by Pedro Ribeiro, including Metasploit module exploits/linux/http/nuuo_nvrmini_auth_rce.

AI-analyzed exploit summary The exploit demonstrates multiple vulnerabilities in NUUO NVR devices and NETGEAR ReadyNAS Surveillance, including unauthenticated remote code execution via improper input validation in PHP files. Proofs of concept include command injection via GET parameters to achieve reverse shells as root or admin.

Description

handle_daylightsaving.php in NUUO NVRmini 2 1.7.5 through 3.0.0, NUUO NVRsolo 1.0.0 through 3.0.0, NUUO Crystal 2.2.1 through 3.2.0, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to execute arbitrary PHP code via the NTPServer parameter.

Exploits (2)

exploitdb WORKING POC
by Pedro Ribeiro · textremotehardware
https://www.exploit-db.com/exploits/40200

The exploit demonstrates multiple vulnerabilities in NUUO NVR devices and NETGEAR ReadyNAS Surveillance, including unauthenticated remote code execution via improper input validation in PHP files. Proofs of concept include command injection via GET parameters to achieve reverse shells as root or admin.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: NUUO NVRmini2, NVRsolo, Crystal, NETGEAR ReadyNAS Surveillance
No auth needed
Prerequisites: Network access to the target device
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
rubypocunix
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/nuuo_nvrmini_auth_rce.rb

This Metasploit module exploits an authenticated remote code execution vulnerability in NUUO NVRmini 2, Crystal, and NETGEAR ReadyNAS Surveillance by injecting commands into the NTPServer parameter of handle_daylightsaving.php. It supports multiple targets and payload types.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: NUUO NVRmini 2, Crystal, NETGEAR ReadyNAS Surveillance
Auth required
Prerequisites: Valid administrative credentials · Access to the web administration interface on port 8081
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/856152
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92318
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/40200/

Scores

CVSS v3 9.8
EPSS 0.7306
EPSS Percentile 98.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (36)
netgear/readynas_surveillance 1.1.1
netgear/readynas_surveillance 1.1.2
netgear/readynas_surveillance 1.2.0.4
netgear/readynas_surveillance 1.3.2.4
netgear/readynas_surveillance 1.3.2.14
netgear/readynas_surveillance 1.4.0
netgear/readynas_surveillance 1.4.1
netgear/readynas_surveillance 1.4.2
nuuo/crystal 2.2.1
nuuo/crystal 3.0.0
... and 26 more
Published Aug 31, 2016
Tracked Since Feb 18, 2026