CVE-2018-8869: In Lantech IDS 2102 2.0 and prior, nearly all input fields allow for arbitrary input on the device

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2018-8869 is a critical-severity flaw (CVSS 9.8) affecting ids 2102 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Lantech IDS 2102 2.0 and prior, nearly all input fields allow for arbitrary input on the device. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-20
Published	2018-05-04
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: lantech

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

Am I affected?

Timeline

2018-05-04 17:29 UTCPublished CVE record published
2026-06-17 02:05 UTCUpdated Record last modified

lantech ids 2102 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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-2018-8869?

ids 2102 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-8869 being exploited?

CVE-2018-8869 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-2018-8869 affect?

CVE-2018-8869 affects ids 2102 firmware. Severity is critical (CVSS 9.8). In Lantech IDS 2102 2.0 and prior, nearly all input fields allow for arbitrary input on the device. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

How urgent is CVE-2018-8869?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-8865 CRITICAL 9.8 MITIGATE In Lantech IDS 2102 2.0 and prior, a stack-based buffer overflow vulnerability has been identified which may a

References

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