OCTOBER 12, 2026
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Case File

CVE-2026-15579

HIGH · CVSS 8.8 EPSS 0.44%

Source: NVD + CISA KEV + EPSS · Published 2026-09-18 · Last synced 2026-10-12

CyberRota Analysis

AI-Generated

An out-of-bounds write vulnerability in certain Ethernet switches allows remote attackers to exploit improper validation of the username field during web login, potentially leading to a buffer overflow. This can cause the authentication process to crash, resulting in a Denial of Service (DoS) condition. Network administrators and organizations using affected Ethernet switches should prioritize patching to mitigate this high-severity risk.

CVE
CVE-2026-15579
Severity
HIGH
CVSS
8.8
EPSS
0.44%

Original NVD Description

An out-of-bounds write vulnerability exists in some of the Ethernet switches because of improper validation of the username field length during Web login processing. This may allow a remote attacker to submit a specially crafted overly long input, triggering a buffer overflow that can cause the authentication process to crash and result in a Denial of Service (DoS) attack.