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CVE-2023-6397

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2023
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

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-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feature enabled.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

ATP series firmware

Vendor
Zyxel
Product
ATP series firmware
Platforms
Unknown
Default status
unaffected
ATP series firmware · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
version 4.32 through 5.37 Patch 1affectedUnavailableUnavailableUnavailableNone listed

USG FLEX series firmware

Vendor
Zyxel
Product
USG FLEX series firmware
Platforms
Unknown
Default status
unaffected
USG FLEX series firmware · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
version 4.50 through 5.37 Patch 1affectedUnavailableUnavailableUnavailableNone listed