CVE-2026-1679

HIGH EPSS 11.9%
Published Mar 28, 20263mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Mar 28, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
11.9% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-120

Affected Products 1

VendorProductVersionRange
zephyrprojectzephyr* ≤4.3.0

References 1

  • github.com https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-qx3g-5g22-fq5w
    ExploitPatchVendor Advisory

Remediation

  • github.com https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-qx3g-5g22-fq5w
    ExploitPatchVendor Advisory