NUUO NVRmini2 Network Video Recorder firmware through 3.9.1 allows remote attackers to execute arbitrary code or cause a denial of service…

published 2018-12-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11538

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 24.8%; EPSS 24.8% chance of exploitation in 30 days, percentile 97%
public exploits: 1; Exploit-DB

NUUO NVRmini2 Network Video Recorder firmware through 3.9.1 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow), resulting in ability to read camera feeds or reconfigure the device.

Patch / fix

links 1

digitaldefense.com/blog/zero-day-alerts/nuuo-firmware-disclosure/ advisory

Timeline

2018-12-05 Published
2019-06-04 First public exploit (EDB-46960)

Exploit prediction

24.81% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-46960 NUUO NVRMini 2 3.9.1 - 'sscanf' Stack Overflow remote, 2019-06-04

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-20 Improper Input Validation
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

digitaldefense.com /blog/zero-day-alerts/nuuo-firmware-disclosure/
patch, third-party-advisory
nuuo.com /DownloadMainpage.php
release-notes, vendor-advisory
packetstormsecurity.com /files/153162/NUUO-NVRMini-2-3.9.1-Stack-Overflow.html

Sources

CVE List CVE-2018-19864
NVD CVE-2018-19864

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary