Vulnerability in Zyxel Ax7501-b0
CVE-2022-45440
A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vuln…
EPSS: 0.002 (16.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/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-2022-45440?
- CVE-2022-45440 is a medium-severity vulnerability in Zyxel Ax7501-b0, classified under Improper Link Resolution Before File Access. CVSS score: 4.4/10. Published 2023-01-17.
- How severe is CVE-2022-45440?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2022-45440 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.