VULNERABILITY INTELLIGENCE
CVE-2026-67822
CVSS score9.8 CRITICAL
EPSS probability0.52%
CISA KEVNot currently listed
Published2026-07-31
Last modified2026-08-31
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-121