CVE•Published 2026-07-31•Modified 2026-08-31•1 article on news•4 live references•NVD data
CVE-2026-67822
Vulnerability data via NVD (ingested)
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 percentile
23
Exploit Prediction Scoring System · top 77% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-07-31
Modified 2026-08-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2026-67822Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-67822Censys host search filtered to this CVE id.
grep.app
CVE-2026-67822Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-67822GitHub code search for direct mentions.
Google dork
"CVE-2026-67822" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-67822 on GitHub.