CVE-2023-46889: Meross MSH30Q 4.5.23 is vulnerable to Cleartext Transmission of Sensitive Information

Routine

MEDIUM 5.7MITIGATE

CVE-2023-46889 is a medium-severity flaw (CVSS 5.7) affecting msh30q firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Meross MSH30Q 4.5.23 is vulnerable to Cleartext Transmission of Sensitive Information. During the device setup phase, the MSH30Q creates an unprotected Wi-Fi access point. In this phase, MSH30Q needs to connect to the Internet through a Wi-Fi router. This is why MSH30Q asks for the Wi-Fi network name (SSID) and the Wi-Fi network password. When the user enters the password, the transmission of the Wi-Fi password and name between the MSH30Q and mob

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.7 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-319
Published	2024-01-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: meross

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

Am I affected?

Timeline

2024-01-23 20:15 UTCPublished CVE record published
2026-06-17 06:31 UTCUpdated Record last modified

meross msh30q firmware MITIGATE

Affected: 4.5.23

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.23

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-2023-46889?

msh30q firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-46889 being exploited?

CVE-2023-46889 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-2023-46889 affect?

CVE-2023-46889 affects msh30q firmware. Severity is medium (CVSS 5.7). Meross MSH30Q 4.5.23 is vulnerable to Cleartext Transmission of Sensitive Information. During the device setup phase, the MSH30Q creates an unprotected Wi-Fi access point. In this phase, MSH30Q needs to connect to the Internet through a Wi-

How urgent is CVE-2023-46889?

Priority 21/100. No elevated risk signals yet.

Software pages

Wi-Fi vulnerabilities

Related CVEs

CVE-2023-46892 HIGH 8.8 MITIGATE The radio frequency communication protocol being used by Meross MSH30Q 4.5.23 is vulnerable to replay attacks,

References

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