CVE-2025-2398Public exploitNetwork attack vector

Root access via hard-coded su credentials

Published Mar 17, 2025 · Updated Mar 18, 2025

Default credentials in five China Mobile enterprise gateways at 20250305 allow remote authenticated users to obtain root access via Telnet. The CLI su command handler accepts a hard-coded root password after Telnet access is established with default device credentials. A reachable Telnet service and valid default login are required; successful use grants full control of the gateway and its network configuration.

CVSS severity8.6
High
EPSS probability0.57%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Default credentials in five China Mobile enterprise gateways at 20250305 allow remote authenticated users to obtain root access via Telnet. The CLI su command handler accepts a hard-coded root password after Telnet access is established with default device credentials. A reachable Telnet service and valid default login are required; successful use grants full control of the gateway and its network configuration.

The record

CVE
CVE-2025-2398
Published
Mar 17, 2025
Updated
Mar 18, 2025
Vendor
China Mobile
Product
GT3200-8G8P
Classifications
CWE-1392, T1078.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=20250305

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

China Mobile · GT3200-8G8Pversion=20250305
China Mobile · ZXWT-MIG-P8G8Vversion=20250305
China Mobile · GT3200-4G4Pversion=20250305
China Mobile · P22g-CIacversion=20250305
China Mobile · ZXWT-MIG-P4G4Vversion=20250305

Published CVSS scores

8.6VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.2VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.3VulDBAV:N/AC:L/Au:M/C:C/I:C/A:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-1392Use of Default Credentials
T1078.001Valid Accounts: Default Accounts

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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