CVE-2026-28520 (GCVE-0-2026-28520)
Vulnerability from cvelistv5 – Published: 2026-03-15 13:35 – Updated: 2026-03-16 14:20
VLAI
EPSS
VEX
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 14:13 UTC
CWE
- CWE-193 - Off-by-one Error
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://src.tuya.com/announcement/32 | vendor-advisory |
| https://github.com/tuya/arduino-TuyaOpen | product |
| https://www.vulncheck.com/advisories/arduino-tuya… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Tuya | arduino-TuyaOpen |
Affected:
0 , < 1.2.1
(semver)
|
guessed |
Date Public
2026-03-11 00:00
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