CVE-2018-16546: Amcrest networked devices use the same hardcoded SSL private key across different customers' installations, wh

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MEDIUM 5.9REMOTEMITIGATE

CVE-2018-16546 is a medium-severity flaw (CVSS 5.9) affecting amcrest ipc-hx1x3x-lexus eng n amcrest. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Amcrest networked devices use the same hardcoded SSL private key across different customers' installations, which allows remote attackers to defeat cryptographic protection mechanisms by leveraging knowledge of this key from another installation, as demonstrated by Amcrest_IPC-HX1X3X-LEXUS_Eng_N_AMCREST_V2.420.AC01.3.R.20180206.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-798
Published	2018-09-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: amcrest

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

Am I affected?

Timeline

2018-09-05 20:29 UTCPublished CVE record published
2026-06-17 01:44 UTCUpdated Record last modified

amcrest amcrest ipc-hx1x3x-lexus eng n amcrest MITIGATE

Affected: v2.420.ac01.3.r.20180206

Fixed in: no fixed release known

Safe to downgrade to: a release before v2.420.ac01.3.r.20180206

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-2018-16546?

amcrest ipc-hx1x3x-lexus eng n amcrest: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-16546 being exploited?

CVE-2018-16546 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-2018-16546 affect?

CVE-2018-16546 affects amcrest ipc-hx1x3x-lexus eng n amcrest. Severity is medium (CVSS 5.9). Amcrest networked devices use the same hardcoded SSL private key across different customers' installations, which allows remote attackers to defeat cryptographic protection mechanisms by leveraging knowledge of this key from another install

How urgent is CVE-2018-16546?

Priority 41/100. Remotely exploitable, no login, no user action

References

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