CVE-2023-51743: This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user s

Routine

MEDIUM 6.5MITIGATE

CVE-2023-51743 is a medium-severity flaw (CVSS 6.5) affecting cm5100 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Set Upstream Channel ID (UCID) parameter at its web interface. A remote attacker could exploit this vulnerability by supplying specially crafted input to the parameter at the web interface of the vulnerable targeted system. Successful exploitation of this vulnerability could allow the attacker to perform a Denial

Why this priority

No elevated risk signals yet

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	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-787
Published	2024-01-17
Last modified	2026-06-17

Publisher (CNA): Indian Computer Emergency Response Team (CERT-In) · Vendor: skyworthdigital

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

Am I affected?

Timeline

2024-01-17 08:15 UTCPublished CVE record published
2026-06-17 06:41 UTCUpdated Record last modified

skyworthdigital cm5100 firmware MITIGATE

Affected: 4.1.1.24

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.1.24

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-2023-51743?

cm5100 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-51743 being exploited?

CVE-2023-51743 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-2023-51743 affect?

CVE-2023-51743 affects cm5100 firmware. Severity is medium (CVSS 6.5). This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user supplied input for the Set Upstream Channel ID (UCID) parameter at its web interface. A remote attacker could exploit this vulnerab

How urgent is CVE-2023-51743?

Priority 35/100. No elevated risk signals yet.

Related CVEs

CVE-2023-51742 MEDIUM 6.5 MITIGATE This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user s
CVE-2023-51741 HIGH 7.5 MITIGATE This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to transmission of authentication cr
CVE-2023-51740 HIGH 7.5 MITIGATE This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to transmission of authentication cr
CVE-2023-51739 MEDIUM 6.9 MITIGATE This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user s
CVE-2023-51738 MEDIUM 6.9 MITIGATE This vulnerability exist in Skyworth Router CM5100, version 4.1.1.24, due to insufficient validation of user s

References

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