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CVE-2025-0890

Quick assessment

Affected
Zyxel VMG4325-B10A firmware
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel VMG4325-B10A是中国合勤（Zyxel）公司的一款调制解调器。 Zyxel VMG4325-B10A 1.00(AAFR.4)C0_20170615版本存在授权问题漏洞，该漏洞源于默认凭据不安全。

CVSS 9.8 · Critical EPSS 13.54% · P96
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I. Basic Information for CVE-2025-0890

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel VMG4325-B10A 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel VMG4325-B10A是中国合勤（Zyxel）公司的一款调制解调器。 Zyxel VMG4325-B10A 1.00(AAFR.4)C0_20170615版本存在授权问题漏洞，该漏洞源于默认凭据不安全。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel VMG4325-B10A firmware <= 1.00(AAFR.4)C0_20170615 -

II. Public POCs for CVE-2025-0890

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III. Intelligence Information for CVE-2025-0890

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Vendor Advisories for CVE-2025-0890 (1)

Same Patch Batch · Zyxel · 2025-02-04 · 3 CVEs total

CVE-2024-40890 8.8 HIGH Zyxel VMG4325-B10A 操作系统命令注入漏洞
CVE-2024-40891 8.8 HIGH Zyxel VMG4325-B10A 操作系统命令注入漏洞

IV. Related Vulnerabilities

Same product: VMG4325-B10A firmware
Same vendor: Zyxel
Same weakness: CWE-287

V. Comments for CVE-2025-0890

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