CriticalCritical vulnerability
CVE-2026-15340 (CVSS 9.3)
NVD · officialPublished Oct 9, 2026Risk 50/100
lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.
Technical details
CVSS
9.3
AV:NetworkAC:LowPR:NoneUI:None
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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