CVE-2018-12072: An issue was discovered in Cloud Media Popcorn A-200 03-05-130708-21-POP-411-000 firmware

This month

CRITICAL 9.8REMOTEMITIGATE

CVE-2018-12072 is a critical-severity flaw (CVSS 9.8) affecting popcorn a-200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Cloud Media Popcorn A-200 03-05-130708-21-POP-411-000 firmware. It is configured to provide TELNET remote access (without a password) that pops a shell as root. If an attacker can connect to port 23 on the device, he can completely compromise it.

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	1.5% (top 26%)
CISA exploited list	No
Published	2018-06-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cloudmedia

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

Am I affected?

Timeline

2018-06-17 20:29 UTCPublished CVE record published
2026-06-17 01:37 UTCUpdated Record last modified

cloudmedia popcorn a-200 firmware MITIGATE

Affected: 03-05-130708-21-pop-411-000_

Fixed in: no fixed release known

Safe to downgrade to: a release before 03-05-130708-21-pop-411-000_

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-2018-12072?

popcorn a-200 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-12072 being exploited?

CVE-2018-12072 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-2018-12072 affect?

CVE-2018-12072 affects popcorn a-200 firmware. Severity is critical (CVSS 9.8). An issue was discovered in Cloud Media Popcorn A-200 03-05-130708-21-POP-411-000 firmware. It is configured to provide TELNET remote access (without a password) that pops a shell as root. If an attacker can connect to port 23 on the device,

How urgent is CVE-2018-12072?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

References

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