How severe is CVE-2023-46892?

CVE-2023-46892 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-46892 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46892?

CVE-2023-46892 affects Meross Msh30q Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-46892?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-46892 have an EU (EUVD) identifier?

Yes. CVE-2023-46892 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51058.

When was CVE-2023-46892 published?

CVE-2023-46892 was published on 2024-01-23 and last updated on 2026-06-17.

CVE-2023-46892

CVE-2023-46892 is a high-severity vulnerability in Meross Msh30q Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-51058
Weakness: CWE-294
Affected product: Meross Msh30q Firmware
Published: 2024-01-23
Last modified: 2026-06-17

Description

The radio frequency communication protocol being used by Meross MSH30Q 4.5.23 is vulnerable to replay attacks, allowing attackers to record and replay previously captured communication to execute unauthorized commands or actions (e.g., thermostat's temperature).

Frequently asked questions

What is CVE-2023-46892?: The radio frequency communication protocol being used by Meross MSH30Q 4.5.23 is vulnerable to replay attacks, allowing attackers to record and replay previously captured communication to execute unauthorized commands or actions (e.g., thermostat's temperature).
How severe is CVE-2023-46892?: CVE-2023-46892 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-46892 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46892?: CVE-2023-46892 affects Meross Msh30q Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-46892?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-46892 have an EU (EUVD) identifier?: Yes. CVE-2023-46892 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51058.
When was CVE-2023-46892 published?: CVE-2023-46892 was published on 2024-01-23 and last updated on 2026-06-17.

References

https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219

Affected products (1)

cpe:2.3:o:meross:msh30q_firmware:4.5.23:*:*:*:*:*:*:*

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