Vulnerability-Lookup

VAR-202111-0006

Vulnerability from variot - Updated: 2025-01-30 21:22

Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request

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CVE-2021-3774 (GCVE-0-2021-3774)

Vulnerability from cvelistv5 – Published: 2021-11-05 19:41 – Updated: 2025-04-23 19:24

Title

Meross MSS550X Missing Encryption of Sensitive Data

Summary

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 13:10 UTC

CWE

CWE-319 - Cleartext Transmission of Sensitive Information

Assigner

INCIBE INCIBE root Scorecard

References

1 reference

URL	Tags
https://www.incibe.es/en/incibe-cert/notices/avis…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Meross	Meross Smart Wi-Fi 2 Way Wall Switch	Affected: 0 , ≤ 3.1.3 (custom)

Credits

Gerard Fuguet Morales

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-202111-0006

CVE-2021-3774 (GCVE-0-2021-3774)

Tags

Sightings

Nomenclature

Related by attack behaviour