ZTE ZXHN-F660T/ZXHN-F660A prior 1.0.10P17N4 weak credentials

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.6$0-$5k0.00

Summaryinfo

A vulnerability classified as very critical was found in ZTE ZXHN-F660T and ZXHN-F660A. This issue affects some unknown processing. Executing a manipulation can lead to weak credentials. This vulnerability appears as CVE-2025-53558. The attacker needs to be present on the local network. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in ZTE ZXHN-F660T and ZXHN-F660A and classified as very critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a weak credentials vulnerability. The CWE definition for the vulnerability is CWE-1391. The product uses weak credentials (such as a default key or hard-coded password) that can be calculated, derived, reused, or guessed by an attacker. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

ZXHN-F660T and ZXHN-F660A provided by ZTE Japan K.K. use a common credential for all installations. With the knowledge of the credential, an attacker may log in to the affected devices.

The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2025-53558 since 07/24/2025. The exploitation appears to be easy. The attack needs to approached within the local network. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/31/2025).

Upgrading to version 1.0.10P17N4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-23239). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (jpcert): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Weak credentials
CWE: CWE-1391
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ZXHN-F660T/ZXHN-F660A 1.0.10P17N4

Timelineinfo

07/24/2025 CVE reserved
07/31/2025 +7 days Advisory disclosed
07/31/2025 +0 days VulDB entry created
07/31/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: zte.com.cn

Advisory: jvn.jp
Status: Confirmed

CVE: CVE-2025-53558 (🔒)
GCVE (CVE): GCVE-0-2025-53558
GCVE (VulDB): GCVE-100-318388
EUVD: 🔒

Entryinfo

Created: 07/31/2025 09:10
Updated: 07/31/2025 13:26
Changes: 07/31/2025 09:10 (39), 07/31/2025 09:11 (34), 07/31/2025 09:24 (1), 07/31/2025 13:26 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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