High severity7.3NVD Advisory· Published Mar 28, 2026· Updated Mar 31, 2026
CVE-2026-1679
CVE-2026-1679
Description
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.
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Affected products
2cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*range: <=4.3.0
- (no CPE)
Patches
Vulnerability mechanics
References
1- github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-qx3g-5g22-fq5wnvdExploitPatchVendor Advisory
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