CVE-2025-51381
KCM3100 LAN Authentication Bypass Vulnerability
Description
An authentication bypass vulnerability exists in KCM3100 Ver1.4.2 and earlier. If this vulnerability is exploited, an attacker may bypass the authentication of the product from within the LAN to which the product is connected.
INFO
Published Date :
June 18, 2025, 5:15 a.m.
Last Modified :
June 18, 2025, 1:46 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-51381
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.0 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update KCM3100 to a version later than Ver1.4.2.
- Restrict network access to authorized users only.
- Implement strong authentication mechanisms.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-51381.
| URL | Resource |
|---|---|
| https://jvn.jp/en/jp/JVN46288336/ | |
| https://notices.jcom.co.jp/notice/93847.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-51381 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-51381
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-51381 vulnerability anywhere in the article.
-
Daily CyberSecurity
Critical Auth Bypass Vulnerability (CVE-2025-51381) Found in KAON KCM3100 Gateways
A critical vulnerability has been disclosed in KAON’s KCM3100 Wi-Fi gateway devices that could allow attackers to bypass authentication controls from within a local network. Tracked as CVE-2025-51381 ... Read more
The following table lists the changes that have been made to the
CVE-2025-51381 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jun. 18, 2025
Action Type Old Value New Value Added Description An authentication bypass vulnerability exists in KCM3100 Ver1.4.2 and earlier. If this vulnerability is exploited, an attacker may bypass the authentication of the product from within the LAN to which the product is connected. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-288 Added Reference https://jvn.jp/en/jp/JVN46288336/ Added Reference https://notices.jcom.co.jp/notice/93847.html