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TI-2024-03510 Aliases CVE-2024-3764GHSA-46w5-56fc-wcpj

Tuya SDK MQTT Packet denial of service

Priority MEDIUM 47CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

** DISPUTED ** A vulnerability classified as problematic has been found in Tuya SDK up to 5.0.x. Affected is an unknown function of the component MQTT Packet Handler. The manipulation leads to denial of service. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. Upgrading to version 5.1.0 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-260604. NOTE: The vendor explains that a malicious actor would have to crack TLS first or use a legitimate login to initiate the attack.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00587 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TuyaSDK5.0—No fix listedCNA
  • SDK VendorTuya Affected 5.0 Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPEVersionsRoleVendor
cpe:2.3:a:tuya:sdk:*:*:*:*:*:*:*:*——Tuya
  • cpe:2.3:a:tuya:sdk:*:*:*:*:*:*:*:* Versions — — ·Tuya

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-3764
  2. 2026-10-03 Alias added: GHSA-46w5-56fc-wcpj

References

Exploit 1

  • TI-2025-35370 An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged… CVSS 3.1CRITICAL 9.1
  • TI-2026-02985 Tuya App/SDK JSON Data Point denial of service CVSS 4.0LOW 2.3
  • TI-2026-22781 arduino-TuyaOpen DnsServer Heap-Based Buffer Overflow Remote Code Execution CVSS 4.0HIGH 8.7
  • TI-2026-22782 arduino-TuyaOpen WiFiMulti Single-Byte Buffer Overflow Remote Code Execution CVSS 4.0HIGH 8.6
  • TI-2025-35327 Cross-Site Request Forgery (CSRF) vulnerability in the OAuth implementation of the Tuya… CVSS 3.1HIGH 8.8
  • TI-2026-22784 arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service CVSS 4.0HIGH 7.1
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences