How severe is CVE-2019-7256?

CVE-2019-7256 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-7256 being actively exploited?

Yes. CVE-2019-7256 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-03-25, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2019-7256?

CVE-2019-7256 primarily affects Nortekcontrol Linear Emerge Essential Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-7256?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2019-7256 have an EU (EUVD) identifier?

Yes. CVE-2019-7256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-16800. It is also flagged as exploited in the EUVD (since 2024-03-25).

When was CVE-2019-7256 published?

CVE-2019-7256 was published on 2019-07-02 and last updated on 2026-06-17.

CVE-2019-7256

CVE-2019-7256 is a critical-severity vulnerability in Nortekcontrol Linear Emerge Essential Firmware with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-03-25). The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 97% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-03-25)
EU (EUVD) id: EUVD-2019-16800
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-03-25)
Weakness: CWE-78
Affected product: Nortekcontrol Linear Emerge Essential Firmware
Published: 2019-07-02
Last modified: 2026-06-17

Description

Linear eMerge E3-Series devices allow Command Injections.

Frequently asked questions

What is CVE-2019-7256?: Linear eMerge E3-Series devices allow Command Injections.
How severe is CVE-2019-7256?: CVE-2019-7256 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-7256 being actively exploited?: Yes. CVE-2019-7256 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-03-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2019-7256?: CVE-2019-7256 primarily affects Nortekcontrol Linear Emerge Essential Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-7256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2019-7256 have an EU (EUVD) identifier?: Yes. CVE-2019-7256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-16800. It is also flagged as exploited in the EUVD (since 2024-03-25).
When was CVE-2019-7256 published?: CVE-2019-7256 was published on 2019-07-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:nortekcontrol:linear_emerge_essential_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nortekcontrol:linear_emerge_elite_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Nortekcontrol Linear Emerge Essential Firmware

CVE-2019-7257 — Critical (CVSS 10.0): Linear eMerge E3-Series devices allow Unrestricted File Upload.
CVE-2019-7253 — Critical (CVSS 9.8): Linear eMerge E3-Series devices allow Directory Traversal.
CVE-2019-7252 — Critical (CVSS 9.8): Linear eMerge E3-Series devices have Default Credentials.
CVE-2019-7261 — Critical (CVSS 9.8): Linear eMerge E3-Series devices have Hard-coded Credentials.
CVE-2019-7260 — Critical (CVSS 9.8): Linear eMerge E3-Series devices have Cleartext Credentials in a Database.
CVE-2019-7265 — Critical (CVSS 9.8): Linear eMerge E3-Series devices allow Remote Code Execution (root access over SSH).

All CVEs affecting Nortekcontrol Linear Emerge Essential Firmware →

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