CVE-2026-67822
CRITICAL 9.8EPSS 0.3%
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.
- CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.31% chance of exploitation in the next 30 days, 23th percentile
- Published
- 2026-07-31
Proof-of-concept exploits (1)
- Hunt-Benito/go-without-bounds-cve-2026-67822-stack-overflow-in-tenda-w6-s-wifissidset0★ · 2026-08-07