P22g-CIac: Use of Default Credentials
CVE-2025-2398 is a high-severity use of default credentials vulnerability in P22g-CIac from China Mobile, with a CVSS 3.1 base score of 7.2 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. Affected P22g-CIac versions: 20250305. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.59% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of P22g-CIac you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| China Mobile | P22g-CIac | 20250305 | Not stated |
| China Mobile | ZXWT-MIG-P4G4V | 20250305 | Not stated |
| China Mobile | ZXWT-MIG-P8G8V | 20250305 | Not stated |
| China Mobile | GT3200-4G4P | 20250305 | Not stated |
| China Mobile | GT3200-8G8P | 20250305 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- HighAdministrator-level access is required first.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (vuldb.com).
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 8.6 | High | CNA (vuldb.com) |
| CVSS 3.1 | 7.2 | High | CNA (vuldb.com) |
| CVSS 2.0 | 8.3 | High | CNA (vuldb.com) |
Official description
A vulnerability was found in China Mobile P22g-CIac, ZXWT-MIG-P4G4V, ZXWT-MIG-P8G8V, GT3200-4G4P and GT3200-8G8P up to 20250305. It has been rated as critical. This issue affects some unknown processing of the component CLI su Command Handler. The manipulation leads to use of default credentials. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Default Credentials
The product uses default credentials (such as passwords or cryptographic keys) for potentially critical functionality.
How developers prevent this class of flaw
- Prohibit use of default, hard-coded, or other values that do not vary for each installation of the product - especially for separate organizations.
- Force the administrator to change the credential upon installation.
- The product administrator could change the defaults upon installation or during operation.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other references
Recent Use of Default Credentials vulnerabilities
- 7.5 High severity
- 7.6 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.5 High severity
- 7.3 High severity
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