CVE-2026-67822

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-07-31

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.

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Advisory coverage (1)

criticalCVE-2026-67822: Tenda W6-S 1.0.0.4(510) contains a stack-based buffer overflow vulnerability in the /goform/wi…nvd · 2026-07-31

External references

NVD record for CVE-2026-67822

CVE.org record

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