CVE-2026-15340

CVSS 9.8 (critical) · published 2026-10-09

lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.

Weakness: CWE-120

Source: NVD CVE-2026-15340

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-279-02.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-279-02

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