High severity8.4NVD Advisory· Published Mar 16, 2026· Updated Jun 17, 2026
CVE-2026-28520
CVE-2026-28520
Description
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.
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Affected products
3<1.2.1+ 2 more
- (no CPE)range: <1.2.1
- cpe:2.3:a:tuya:arduino-tuyaopen:*:*:*:*:*:*:*:*range: <1.2.1
- (no CPE)range: 0
Patches
Vulnerability mechanics
References
2- src.tuya.com/announcement/32nvdVendor Advisory
- www.vulncheck.com/advisories/arduino-tuyaopen-wifimulti-single-byte-buffer-overflow-remote-code-executionnvdThird Party Advisory
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