CVE-2026-1679 is a high-severity buffer overflow vulnerability (CWE-120) affecting all versions of Zephyr RTOS, specifically within the eswifi socket offload driver. This flaw allows a local attacker with code execution privileges to corrupt kernel memory by sending oversized payloads, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 7.8, the attack requires local access and low complexity. Currently, there is no evidence of active exploitation, nor are public exploit tools available, though it has garnered minor community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.3.0CPE matchmatch criteria | cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.