CVE-2026-28520CWE-193
arduino-TuyaOpen WiFiMulti Single-Byte Buffer Overflow Remote Code Execution
High · published March 15, 2026
What it is
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.
The record
Technical detail
- CVSS v4.0
- 8.6 · HIGH
- Vector
- 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
- EPSS
- 0.00232 · 13.2th percentile
- Weakness
- CWE-193 · Off-by-one Error
- Published
- 2026-03-15T13:35Z
EPSS history
Timeline