Savannah lwIP SMTP client
Updated under an hour ago ()
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 lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow. Read More 1 Affected Product Savannah lwIP SMTP client: 2.2.1 Product Status: known_affected Remediations Mitigation xchglabs reports that the vulnerability was fixed and released in the following patch: patch_125_smtp_txbuf.diff . This is available as available as git commit (614420f82c8729d070e01464c0dddb3c9525c772) Additional Metrics Relevant CWE: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CVSS Version Base Score Base Severity Vector String 3.1 9…
- Tags
- CISA, ICS
- Related exam domains
- CISSP 4: Communication and Network Security; CISSP 7: Security Operations; CISSP 8: Software Development Security; CISM 2: Information Security Risk Management; CISM 3: Information Security Program; CISA 4: Information Systems Operations and Business Resilience
- Source record id
- /node/25588
- First seen by InfoSec Signals
- 10/9/2026
Source: CISA cybersecurity advisories, Cybersecurity and Infrastructure Security Agency about this source more from it
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