How severe is CVE-2025-56557?

CVE-2025-56557 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-56557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56557?

CVE-2025-56557 affects Tuya. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-56557?

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

Does CVE-2025-56557 have an EU (EUVD) identifier?

Yes. CVE-2025-56557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29640.

When was CVE-2025-56557 published?

CVE-2025-56557 was published on 2025-09-16 and last updated on 2026-07-05.

CVE-2025-56557

CVE-2025-56557 is a critical-severity vulnerability in Tuya with a CVSS 3.x base score of 9.1. 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-250.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29640
Weakness: CWE-250
Affected product: Tuya
Published: 2025-09-16
Last modified: 2026-07-05

Description

An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged control Matter devices via the Matter protocol.

Frequently asked questions

What is CVE-2025-56557?: An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged control Matter devices via the Matter protocol.
How severe is CVE-2025-56557?: CVE-2025-56557 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-56557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56557?: CVE-2025-56557 affects Tuya. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-56557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-56557 have an EU (EUVD) identifier?: Yes. CVE-2025-56557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29640.
When was CVE-2025-56557 published?: CVE-2025-56557 was published on 2025-09-16 and last updated on 2026-07-05.

References

https://archive.org/details/tuya-matter-fabric-bug/mode/2up

EU advisories (EUVD)

http://tuya.com

Affected products (1)

cpe:2.3:a:tuya:tuya:5.6.1:*:*:*:*:*:*:*

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