CRITICAL 9.8 NVD
CVE-2026-67822
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 co
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.
References
- https://github.com/Tristerjh/Tenda/blob/main/Tenda_W6-S_GO_overflow.md
- https://github.com/Tristerjh/Tenda/blob/main/Tenda_W6-S_GO_overflow.md
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-07-31 via NVD.
Risk Timeline
CVE Disclosed2026-07-31 · 3 days ago
Remediation Resources
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