CVE-2020-6954: An issue was discovered on Cayin SMP-PRO4 devices

This month

MEDIUM 6.5MITIGATE

CVE-2020-6954 is a medium-severity flaw (CVSS 6.5) affecting smp-pro4 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered on Cayin SMP-PRO4 devices. A user can discover a saved password by viewing the URL after a Connection String Test. This password is shown in the webpass parameter of a media_folder.cgi?apply_mode=ping_server URI.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-200
Published	2020-01-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cayintech

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

Am I affected?

Timeline

2020-01-13 23:15 UTCPublished CVE record published
2026-06-17 03:24 UTCUpdated Record last modified

cayintech smp-pro4 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-2020-6954?

smp-pro4 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-6954 being exploited?

CVE-2020-6954 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-2020-6954 affect?

CVE-2020-6954 affects smp-pro4 firmware. Severity is medium (CVSS 6.5). An issue was discovered on Cayin SMP-PRO4 devices. A user can discover a saved password by viewing the URL after a Connection String Test. This password is shown in the webpass parameter of a media_folder.cgi?apply_mode=ping_server URI.

How urgent is CVE-2020-6954?

Priority 43/100. Public exploit reference

Related CVEs

CVE-2020-6955 MEDIUM 6.1 MITIGATE An issue was discovered on Cayin SMP-PRO4 devices

References

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