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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 copy user-controlled 'GO' and 'index' parameters into a 64-byte stack buffer without length restriction, leading to stack overflow.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9ab802b80379837c9612610d662f17bfded69444f0abb224926434f0c76c27d7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://github.com/Tristerjh/Tenda/blob/main/Tenda_W6-S_GO_overflow.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/Tristerjh/Tenda/blob/main/Tenda_W6-S_GO_overflow.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:83830908eb4c46698c2b448ec8cc675a96fb366f2c0b399d6ac7e1eaa51ccaea · sha256:3e05824fe703a32c… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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