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CVE-2026-67822

CRITICAL CVSS: 9.8 Published: 2026-07-31 Modified: 2026-07-31

Description

Tenda W6-S 1.0.0.4(510) contains a stack-based buffer overflow vulnerability in the /goform/wifiSSIDset endpoint. The function formwrlSSIDset uses sprintf to copy user-controlled 'GO' and 'index' parameters into a 64-byte stack buffer without length restriction, leading to stack overflow.

Affected Platforms

Unknown

Weakness Type

CWE-121

References