CVEs / CVE-2018-14933

CVE-2018-14933: NUUO NVRmini Devices OS Command Injection Vulnerability

Known exploited in the CISA KEV catalog since 18 Dec 2024
critical 9.8 CVSS 3.1 (NVD)
EPSS 94.7% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

NUUO NVRmini devices contain an OS command injection vulnerability. This vulnerability allows remote command execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
CISA, Known Exploited Vulnerabilities catalog

Description

upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
The CVE record, via NVD · published 4 Aug 2018 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
n/a n/a	n/a	—

Exploitation

In CISA KEV since	18 Dec 2024
Due date for US federal agencies	8 Jan 2025
Used in ransomware campaigns	Unknown
Required action	The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

Severity

CVSS 3.1	9.8 critical `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-78

References

CVE-2018-14933 on NVD
CVE-2018-14933 in the CISA KEV catalog
https://nuuo.com/wp-content/uploads/2023/03/NUUO-EOL-letter%EF%BC%BFNVRmini-2-and-NVRsolo-series.pdf (cited by CISA)
https://www.exploit-db.com/exploits/45070/ Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/46340/ Exploit, Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14933 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.