CVE-2016-5680

HIGH EXPLOITED

NUUO NVRmini <3.0.0 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2016-5680 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including Pedro Ribeiro.

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

Stack-based buffer overflow in cgi-bin/cgi_main in NUUO NVRmini 2 1.7.6 through 3.0.0 and NETGEAR ReadyNAS Surveillance 1.1.2 allows remote authenticated users to execute arbitrary code via the sn parameter to the transfer_license command.

Exploits (1)

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 →

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 8.8
EPSS 0.1675
EPSS Percentile 96.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2022-10-27
CWE
CWE-119
Status published
Products (5)
netgear/readynas_surveillance 1.1.2
nuuo/nvrmini_2 1.7.6
nuuo/nvrmini_2 2.0.0
nuuo/nvrmini_2 2.2.1
nuuo/nvrmini_2 3.0.0
Published Aug 31, 2016
Tracked Since Feb 18, 2026