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8 vulnerabilities by tuya

CVE-2026-28522 (GCVE-0-2026-28522)

Vulnerability from cvelistv5 – Published: 2026-03-15 13:36 – Updated: 2026-03-16 14:20
VLAI?
Title
arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service
Summary
arduino-TuyaOpen before version 1.2.1 contains a null pointer dereference vulnerability in the WiFiUDP component. An attacker on the same local area network can send a large volume of malicious UDP packets to cause memory exhaustion on the device, triggering a null pointer dereference and resulting in a denial-of-service condition.
Severity ?
7.1 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Tuya arduino-TuyaOpen Affected: 0 , < 1.2.1 (semver)
Create a notification for this product.
Date Public ?
2026-03-11 00:00
Credits
Maxime ROSSI BELLOM
Show details on NVD website
To clipboard 

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CVE-2026-28519 (GCVE-0-2026-28519)

Vulnerability from cvelistv5 – Published: 2026-03-15 13:36 – Updated: 2026-03-16 14:20
VLAI?
Title
arduino-TuyaOpen DnsServer Heap-Based Buffer Overflow Remote Code Execution
Summary
arduino-TuyaOpen before version 1.2.1 contains a heap-based buffer overflow vulnerability in the DnsServer component. An attacker on the same local area network who controls the LAN DNS server can send malicious DNS responses to overflow the heap buffer, potentially allowing execution of arbitrary code on affected embedded devices.
Severity ?
8.7 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Tuya arduino-TuyaOpen Affected: 0 , < 1.2.1 (semver)
Create a notification for this product.
Date Public ?
2026-03-11 00:00
Credits
Maxime ROSSI BELLOM
Show details on NVD website
To clipboard 

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CVE-2026-28521 (GCVE-0-2026-28521)

Vulnerability from cvelistv5 – Published: 2026-03-15 13:35 – Updated: 2026-03-16 14:20
VLAI?
Title
arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure
Summary
arduino-TuyaOpen before version 1.2.1 contains an out-of-bounds memory read vulnerability in the TuyaIoT component. An attacker who hijacks or controls the Tuya cloud service can issue malicious DP event data to victim devices, causing out-of-bounds memory access that may result in information disclosure or a denial-of-service condition.
Severity ?
7 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
7.7 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Tuya arduino-TuyaOpen Affected: 0 , < 1.2.1 (semver)
Create a notification for this product.
Date Public ?
2026-03-11 00:00
Credits
Maxime ROSSI BELLOM
Show details on NVD website
To clipboard 

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CVE-2026-28520 (GCVE-0-2026-28520)

Vulnerability from cvelistv5 – Published: 2026-03-15 13:35 – Updated: 2026-03-16 14:20
VLAI?
Title
arduino-TuyaOpen WiFiMulti Single-Byte Buffer Overflow Remote Code Execution
Summary
arduino-TuyaOpen before version 1.2.1 contains a single-byte buffer overflow vulnerability in the WiFiMulti component. When the victim's smart hardware connects to an attacker-controlled AP hotspot, the attacker can exploit the overflow to execute arbitrary code on the affected embedded device.
Severity ?
8.6 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Tuya arduino-TuyaOpen Affected: 0 , < 1.2.1 (semver)
Create a notification for this product.
Date Public ?
2026-03-11 00:00
Credits
Maxime ROSSI BELLOM
Show details on NVD website
To clipboard 

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CVE-2026-3465 (GCVE-0-2026-3465)

Vulnerability from cvelistv5 – Published: 2026-03-03 15:02 – Updated: 2026-03-03 15:38 Disputed
VLAI?
Title
Tuya App/SDK JSON Data Point denial of service
Summary
A vulnerability was determined in Tuya App and SDK 24.07.11 on Android. Affected by this vulnerability is an unknown functionality of the component JSON Data Point Handler. This manipulation of the argument cruise_time causes denial of service. Remote exploitation of the attack is possible. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been publicly disclosed and may be utilized. There is ongoing doubt regarding the real existence of this vulnerability. The vendor disagrees with the conclusion of the finding: "The described vulnerability fails to prove its feasibility or exploitability by attackers. The issue essentially does not constitute a security vulnerability, aligning more closely with abnormal product functionality." These considerations are properly reflected within the CVSS vector.
Severity ?
2.3 (Low)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.1 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version
Tuya App Affected: 24.07.11
Create a notification for this product.
Credits
deoplljj (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2025-56400 (GCVE-0-2025-56400)

Vulnerability from cvelistv5 – Published: 2025-11-24 00:00 – Updated: 2025-11-24 20:14
VLAI?
Summary
Cross-Site Request Forgery (CSRF) vulnerability in the OAuth implementation of the Tuya SDK 6.5.0 for Android and iOS, affects the Tuya Smart and Smartlife mobile applications, as well as other third-party applications that integrate the SDK, allows an attacker to link their own Amazon Alexa account to a victim's Tuya account. The applications fail to validate the OAuth state parameter during the account linking flow, enabling a cross-site request forgery (CSRF)-like attack. By tricking the victim into clicking a crafted authorization link, an attacker can complete the OAuth flow on the victim's behalf, resulting in unauthorized Alexa access to the victim's Tuya-connected devices. This affects users regardless of prior Alexa linkage and does not require the Tuya application to be active at the time. Successful exploitation may allow remote control of devices such as cameras, doorbells, door locks, or alarms.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2025-56557 (GCVE-0-2025-56557)

Vulnerability from cvelistv5 – Published: 2025-09-16 00:00 – Updated: 2025-09-17 13:48
VLAI?
Summary
An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged control Matter devices via the Matter protocol.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2024-3764 (GCVE-0-2024-3764)

Vulnerability from cvelistv5 – Published: 2024-04-14 22:31 – Updated: 2024-08-26 16:53 Disputed
VLAI?
Title
Tuya SDK MQTT Packet denial of service
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.
Severity ?
2.7 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
2.7 (Low)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
Tuya SDK Affected: 5.0
Create a notification for this product.
Credits
kaizheng (VulDB User)
Show details on NVD website
To clipboard 

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          "product": "SDK",
          "vendor": "Tuya",
          "versions": [
            {
              "status": "affected",
              "version": "5.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "kaizheng (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "** 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."
        },
        {
          "lang": "de",
          "value": "Es wurde eine problematische Schwachstelle in Tuya SDK bis 5.0.x entdeckt. Betroffen hiervon ist ein unbekannter Ablauf der Komponente MQTT Packet Handler. Durch die Manipulation mit unbekannten Daten kann eine denial of service-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff \u00fcber das Netzwerk. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Die wahre Existenz der vermeintlichen Schwachstelle wird zur Zeit in Frage gestellt. Ein Aktualisieren auf die Version 5.1.0 vermag dieses Problem zu l\u00f6sen. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 2.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 2.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 3.3,
            "vectorString": "AV:N/AC:L/Au:M/C:N/I:N/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "CWE-404 Denial of Service",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-04-16T07:08:26.203Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-260604 | Tuya SDK MQTT Packet denial of service",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.260604"
        },
        {
          "name": "VDB-260604 | CTI Indicators (IOB, IOC, TTP)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.260604"
        },
        {
          "name": "Submit #311860 | Tuya camera firmware: 3.2.9 DoS (denial of service)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.311860"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/kzLiu2017/Tuya_Cam_CVE_Doc/blob/main/CVE%20Doc.pdf"
        }
      ],
      "tags": [
        "disputed"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2020-12-31T00:00:00.000Z",
          "value": "Countermeasure disclosed"
        },
        {
          "lang": "en",
          "time": "2024-04-14T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2024-04-14T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-04-16T09:11:56.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tuya SDK MQTT Packet denial of service"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2024-3764",
    "datePublished": "2024-04-14T22:31:05.048Z",
    "dateReserved": "2024-04-14T03:46:48.397Z",
    "dateUpdated": "2024-08-26T16:53:40.563Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}