Vulnerability Monitor

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CVE-2022-45439

A pair of spare WiFi credentials is stored in the configuration file of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0 in cleartext. An unauthenticated attacker could use the credentials to access the WLAN service if the configuration file has been retrieved from the device by leveraging another known vulnerability.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 2 products from zyxel, from zyxel organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2023-01-17T02:15:09.427

Last Modified

2024-12-06T07:15:04.680

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Secondary
CWE-312
Type: Primary
CWE-312

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	zyxel	ax7501-b0_firmware	< 5.17\(abpc.3\)c0	Yes
Hardware	zyxel	ax7501-b0	-	No

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-wifi-credentials-and-improper-symbolic-links-of-ftp-for-ax7501-b0-cpe Vendor Advisory ([email protected])
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-wifi-credentials-and-improper-symbolic-links-of-ftp-for-ax7501-b0-cpe Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For zyxel's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.