Vulnerability Report

CVE-2020-25014

RCE

Title: Zyxel Gateways Stack-based Buffer Overflow RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2020-25014.

CWE Category CWE-787

Published Date Nov 27, 2020

Modified Date Dec 12, 2024

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

4.44%

Vulnerability Summary

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.

Impacted Vendors

zyxel 50

Reference Links

https://businessforum.zyxel.com/categories/security-news-and-release https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml https://businessforum.zyxel.com/categories/security-news-and-release https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-25014 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

December 12, 2024 MODIFIED

Vulnerability data or affected products updated.

November 27, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.