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CVE-2023-27992

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)

The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.

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.

NAS326 firmware

Vendor
Zyxel
Product
NAS326 firmware
Platforms
Unknown
Default status
unaffected
NAS326 firmware · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
< V5.21(AAZF.14)C0affectedUnavailableUnavailableUnavailableNone listed

NAS540 firmware

Vendor
Zyxel
Product
NAS540 firmware
Platforms
Unknown
Default status
unaffected
NAS540 firmware · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
< V5.21(AATB.11)C0affectedUnavailableUnavailableUnavailableNone listed

NAS542 firmware

Vendor
Zyxel
Product
NAS542 firmware
Platforms
Unknown
Default status
unaffected
NAS542 firmware · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
< V5.21(ABAG.11)C0affectedUnavailableUnavailableUnavailableNone listed