Vulnerability · Published Apr 14, 2024 · Assigned by VulDB

CVE-2024-3764Tuya SDK MQTT Packet denial of service

Low 2.7

In plain English

A low-severity security flaw in SDK from Tuya. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.1)2.7Low

Exploit odds (30 days)0.6%top 51.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

** 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.

Affected products (as reported)

Vendor	Product	Versions
Tuya	SDK	5.0

Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

References

VDB-260604 | Tuya SDK MQTT Packet denial of service vdb-entry, technical-description
VDB-260604 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
Submit #311860 | Tuya camera firmware: 3.2.9 DoS (denial of service) third-party-advisory
https://github.com/kzLiu2017/Tuya_Cam_CVE_Doc/blob/main/CVE%20Doc.pdf exploit