CVE-2020-25014

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CVSS 3.1

9.8 critical

EPSS

4%p91

Published

Nov 27, 2020 (Nov 27, 2020)

Modified

Jun 17, 2026

Description

A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55 allows remote unauthenticated attackers to execute arbitrary code via a crafted http packet.

Vendors: zyxel
Products: zld, access points firmware
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (4.4%)

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