NULL pointer dereference in Zyxel Atp100
CVE-2023-6397
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial…
EPSS: 0.003 (22.1th 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:N/I:N/A:H.
Affected products
- Zyxel Atp100
- Zyxel Atp100_firmware — versions 5.37
- Zyxel Atp100w
- Zyxel Atp100w_firmware — versions 5.37
- Zyxel Atp200
- Zyxel Atp200_firmware — versions 5.37
- Zyxel Atp500
- Zyxel Atp500_firmware — versions 5.37
- Zyxel Atp700
- Zyxel Atp700_firmware — versions 5.37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@zyxel.com.tw (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-6397?
- CVE-2023-6397 is a medium-severity vulnerability in Zyxel Atp100, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2024-02-20.
- How severe is CVE-2023-6397?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-6397 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.