CVE-2018-6407: An issue was discovered on Conceptronic CIPCAMPTIWL V3 0.61.30.21 devices

This week

HIGH 7.5REMOTEMITIGATEMITIGATE

CVE-2018-6407 is a high-severity flaw (CVSS 7.5) affecting cipcamptiwl firmware, cipcamptiwl web firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered on Conceptronic CIPCAMPTIWL V3 0.61.30.21 devices. An unauthenticated attacker can crash a device by sending a POST request with a huge body size to /hy-cgi/devices.cgi?cmd=searchlandevice. The crash completely freezes the device.

Why this priority

High severity
EPSS top 2%: very likely to be exploited
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	32.3% (top 2%)
CISA exploited list	No
Weakness	CWE-20
Published	2018-01-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: conceptronic

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

Am I affected?

Timeline

2018-01-30 21:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

conceptronic cipcamptiwl firmware MITIGATE

Affected: 00.30.01.0047p3

Fixed in: no fixed release known

Safe to downgrade to: a release before 00.30.01.0047p3

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.

conceptronic cipcamptiwl web firmware MITIGATE

Affected: 0.61.30.21

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.61.30.21

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-2018-6407?

cipcamptiwl firmware: mitigate or apply the listed mitigation; cipcamptiwl web firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-6407 being exploited?

CVE-2018-6407 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-2018-6407 affect?

CVE-2018-6407 affects cipcamptiwl firmware, cipcamptiwl web firmware. Severity is high (CVSS 7.5). An issue was discovered on Conceptronic CIPCAMPTIWL V3 0.61.30.21 devices. An unauthenticated attacker can crash a device by sending a POST request with a huge body size to /hy-cgi/devices.cgi?cmd=searchlandevice. The crash completely freez

How urgent is CVE-2018-6407?

Priority 56/100. High severity; EPSS top 2%: very likely to be exploited; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-6408 HIGH 8.8 MITIGATE MITIGATE An issue was discovered on Conceptronic CIPCAMPTIWL V3 0.61.30.21 devices

References

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