Savannah lwIP SMTP client

View CSAF Summary Successful exploitation of this vulnerability could crash the device being accessed; a buffer overflow condition may allow remote code execution. The following versions of Savannah lwIP SMTP client are affected: lwIP SMTP client 2.2.1 (CVE-2026-15340) CVSS Vendor Equipment v3 9.8 Savannah lwIP SMTP client 1 Vulnerability Buffer Copy without Checking Size of Input (‘Classic Buffer Overflow’) Background Critical Infrastructure Sectors: Energy, Water and Wastewater Systems Countries/Areas Deployed: Worldwide Company Headquarters Location: Sweden Vulnerabilities CVE-2026-15340 lw