CVE-2018-14933: NUUO NVRmini Devices OS Command Injection Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 18 Dec 2024, 2,328 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 94.8%
EPSS score, percentile 99.9 of all scored records
- How severe?
- 9.8 Critical
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
CISA deadline 8 Jan 2025. The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Full text
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
CISA due date for this action: 8 January 2025.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://nuuo.com/wp-content/uploads/2023/03/NUUO-EOL-letter%EF%BC%BFNVRmini-2-and-NVRsolo-series.pdf
- https://nvd.nist.gov/vuln/detail/CVE-2018-14933
Affected products and versions
The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
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.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2018-14933 to its Known Exploited Vulnerabilities (KEV) catalog on 18 Dec 2024.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 8 Jan 2025.
- The CVE record was published on 4 Aug 2018, 2,328 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 94.8% (percentile 99.9), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 4 Aug 2018 | CVE record published |
| 18 Dec 2024 | Added to CISA KEV |
| 8 Jan 2025 | CISA due date for the required action |
| 21 Oct 2025 | CVE record last updated |
References
More exploited NUUO vulnerabilities
- CVE-2022-23227: NUUO NVRmini2 Devices Missing Authentication Vulnerability