CVE-2019-7383: An issue was discovered on Systrome Cumilon ISG-600C, ISG-600H, and ISG-800W devices with firmware V1.1-R2.1_T

This month

HIGH 7.8MITIGATEMITIGATEMITIGATE

CVE-2019-7383 is a high-severity flaw (CVSS 7.8) affecting cumilon isg-600c firmware, cumilon isg-600h firmware, cumilon isg-800w firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered on Systrome Cumilon ISG-600C, ISG-600H, and ISG-800W devices with firmware V1.1-R2.1_TRUNK-20181105.bin. A shell command injection occurs by editing the description of an ISP file. The file network/isp/isp_update_edit.php does not properly validate user input, which leads to shell command injection via the des parameter.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-78
Published	2019-03-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: systrome

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-03-21 16:01 UTCPublished CVE record published
2026-06-17 02:40 UTCUpdated Record last modified

systrome cumilon isg-600c firmware MITIGATE

Affected: 1.1-r2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1-r2.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

systrome cumilon isg-600h firmware MITIGATE

Affected: 1.1-r2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1-r2.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

systrome cumilon isg-800w firmware MITIGATE

Affected: 1.1-r2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1-r2.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-7383?

cumilon isg-600c firmware: mitigate or apply the listed mitigation; cumilon isg-600h firmware: mitigate or apply the listed mitigation; cumilon isg-800w firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-7383 being exploited?

CVE-2019-7383 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-7383 affect?

CVE-2019-7383 affects cumilon isg-600c firmware, cumilon isg-600h firmware, cumilon isg-800w firmware. Severity is high (CVSS 7.8). An issue was discovered on Systrome Cumilon ISG-600C, ISG-600H, and ISG-800W devices with firmware V1.1-R2.1_TRUNK-20181105.bin. A shell command injection occurs by editing the description of an ISP file. The file network/isp/isp_update_edi

How urgent is CVE-2019-7383?

Priority 50/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-19525 MEDIUM 6.1 MITIGATE MITIGATE An issue was discovered on Systrome ISG-600C, ISG-600H, and ISG-800W 1.1-R2.1_TRUNK-20180914.bin devices

References

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