CVE-2025-0890
Zyxel Telnet Default Credentials Vulnerability
Description
**UNSUPPORTED WHEN ASSIGNED** Insecure default credentials for the Telnet function in the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an attacker to log in to the management interface if the administrators have the option to change the default credentials but fail to do so.
INFO
Published Date :
Feb. 4, 2025, 11:15 a.m.
Last Modified :
Feb. 4, 2025, 11:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2025-0890
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
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-2025-0890.
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-2025-0890 vulnerability anywhere in the article.
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security.nl
Zyxel waarschuwt voor actief aangevallen lekken in end-of-life modems
Zyxel waarschuwt eigenaren van verschillende modem-routers voor actief aangevallen kwetsbaarheden. De apparaten in kwestie zijn end-of-life en Zyxel zal dan ook geen updates uitbrengen om de beveiligi ... Read more
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BleepingComputer
Zyxel won’t patch newly exploited flaws in end-of-life routers
Zyxel has issued a security advisory about actively exploited flaws in CPE Series devices, warning that it has no plans to issue fixing patches and urging users to move to actively supported models. V ... Read more
The following table lists the changes that have been made to the
CVE-2025-0890 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.
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New CVE Received by [email protected]
Feb. 04, 2025
Action Type Old Value New Value Added Tag unsupported-when-assigned Added Description **UNSUPPORTED WHEN ASSIGNED** Insecure default credentials for the Telnet function in the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an attacker to log in to the management interface if the administrators have the option to change the default credentials but fail to do so. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-287 Added Reference https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-insecure-default-credentials-vulnerabilities-in-certain-legacy-dsl-cpe-02-04-2025
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-0890 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-2025-0890
weaknesses.