Which products and versions are affected by CVE-2018-14933?

Affected: Nvrmini Firmware (Nuuo) versions 2016. The full list is in the CVE brief.

Is CVE-2018-14933 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 13, 2019.

Is CVE-2018-14933 in the CISA KEV catalog?

Yes. It was added on Dec 18, 2024 with a federal remediation due date of Jan 8, 2025.

Is there a public exploit for CVE-2018-14933?

Public exploit code is available.

Is there a fix for CVE-2018-14933?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2018-14933 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2018-14933

CriticalExploitedPublic exploit

upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.

Published Aug 4, 2018 · Updated Nov 7, 2025

Key Facts

Patch immediately

CVE-2018-14933 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Nvrmini Firmware (Nuuo).
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 13, 2019. Public exploit code is available.
EPSS estimates a 95% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

95%

Higher than 99.8% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2018-14933 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Dec 18, 2024	Jan 8, 2025	Not reported
Industry KEV feed	Jun 13, 2019	Jan 8, 2025	Not reported
CIRCL KEV	Dec 18, 2024	Jan 8, 2025	Not reported
ENISA EUVD	Dec 18, 2024	n/a	Not reported

Required action: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Nvrmini FirmwareNuuo	2016	n/a

Timeline

Publicly disclosed
Aug 4, 2018
Added to Industry KEV feed
Jun 13, 2019
Added to CISA KEV
Dec 18, 2024
Added to CIRCL KEV
Dec 18, 2024
Added to ENISA EUVD
Dec 18, 2024
Last updated
Nov 7, 2025

Weakness Type

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

3 more references in the full CVE brief

FAQ

Common Questions.

upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
Affected: Nvrmini Firmware (Nuuo) versions 2016. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 13, 2019.
Yes. It was added on Dec 18, 2024 with a federal remediation due date of Jan 8, 2025.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2018-14933 Running On Your Attack Surface?

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