HOMEVULNERABILITIESCVE-2026-28522
MEDIUM

CVE-2026-28522

CWE-476Published: March 16, 2026· Updated: Mar 17, 2026

6.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.4th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-28522 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

tuya1 product
arduino-tuyaopen
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://src.tuya.com/announcement/32
ADVISORYhttps://www.vulncheck.com/advisories/arduino-tuyaopen-wifiudp-null-pointer-dereference-denial-of-service

All References (3)

→
https://github.com/tuya/arduino-TuyaOpenProduct
→
https://src.tuya.com/announcement/32Vendor Advisory
→
https://www.vulncheck.com/advisories/arduino-tuyaopen-wifiudp-null-pointer-dereference-denial-of-serviceThird Party Advisory

Quick Facts

CVE IDCVE-2026-28522
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedMar 16, 2026

Related CVEs (CWE-476)

CVE-2026-33063
8.7
CVE-2026-13084
8.7
CVE-2026-28224
8.2
CVE-2025-59604
7.8
CVE-2025-59606
7.8
CVE-2026-31792
7.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-28522 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2026-28522·NVD