Public proof of concept

CVE-2018-19592

A public proof of concept exists; no exploitation attested.

Published2019-09-27
WeaknessCWE-276

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The "CLink4Service" service is installed with Corsair Link 4.9.7.35 with insecure permissions by default. This allows unprivileged users to take control of the service and execute commands in the context of NT AUTHORITY\SYSTEM, leading to total system takeover, a similar issue to CVE-2018-12441.

Timeline

dates in UTC

2019-09-2716:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-19592?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-19592?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Corsair linkversion to verify

Branch	Affected	Fixed in	Source
4.9	= 4.9.7.35	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

forum.corsair.comRelease Notes · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedBradyDonovan/CVE-2018-19592

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.07.2read 2026-10-23
NVDweakness (CWE)CWE-276read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2019-09-27
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-19592?

Is CVE-2018-19592 actively exploited?

Active exploitation of CVE-2018-19592 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-19592?

CVE-2018-19592 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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