CVE Vulnerability

CVE-2020-25014

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml Vendor Advisory
https://businessforum.zyxel.com/categories/security-news-and-release Release Notes Vendor Advisory
Configurations

Configuration 1
Information

Published : 2020-11-27 06:15

Updated : 2020-12-10 07:15

NVD link : CVE-2020-25014

Mitre link : CVE-2020-25014

Products Affected

Zywall 310

Zyxel

CWE
CWE-787