Vulnerability in Zyxel Ax7501-B0
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.
EPSS: 0.002 (9.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Zyxel Ax7501-b0
- Zyxel Ax7501-b0 Firmware — versions < V5.17(ABPC.3)C0
- Zyxel Ax7501-b0_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@zyxel.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-45439?
- CVE-2022-45439 is a medium-severity vulnerability in Zyxel Ax7501-B0, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2023-01-17.
- How severe is CVE-2022-45439?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-45439 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.