CVE-2025-6599_CVE-2025-6599

5.3 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an attacker to perform Slowloris‑style denial‑of‑service (DoS) attacks. Such attacks may temporarily block legitimate HTTP requests and partially disrupt access to the web management interface, while other networking services remain unaffected.

Basic Information

ID CVE-2025-6599

Source Zyxel

Published Nov 18, 2025 at 01:19

Affected Product

Vendor Zyxel

Product DX3301-T0 firmware

Version <= 5.50(ABVY.6.3)C0

Affected Versions Zyxel DX3301-T0 firmware <= 5.50(ABVY.6.3)C0

CWE Classification

CWE-400

References

www.zyxel.com /global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025

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    "published": "2025-11-18T01:19:47.163Z",
    "modified": "2025-11-18T01:19:47.163Z",
    "type": "cve",
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