CVE-2026-1679: The eswifi socket offload driver copies user-provided payloads into a fixed buffer without checking available space…
CVE-2026-1679 · Severity: high · CVSS 7.3 · Published 2026-03-28
The eswifi socket offload driver copies user-provided payloads into a fixed buffer without checking available space; oversized sends overflow `eswifi->buf`, corrupting kernel memory (CWE-120). Exploit requires local code that can call the socket send API; no remote attacker can reach it directly.
No. Junglewise Threat Intelligence has no report of CVE-2026-1679 being exploited in the wild.
How severe is CVE-2026-1679?
High severity, with a CVSS score of 7.3, published 28 March 2026.
Which products and versions are affected?
Zephyrproject Zephyr. The advisory does not name versions.
Is there a fix for CVE-2026-1679?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-1679?
Check whether you run Zephyrproject Zephyr. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.