CVE-2023-2673

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2023
Source publication: Jun 13, 2023
Source updated: Jan 3, 2025
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

PHOENIX CONTACT: FL/TC MGUARD prone to Improper Input Validation

Improper Input Validation vulnerability in PHOENIX CONTACT FL/TC MGUARD Family in multiple versions may allow UDP packets to bypass the filter rules and access the solely connected device behind the MGUARD which can be used for flooding attacks.

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.

FL MGUARD 2102

Vendor: PHOENIX CONTACT
Product: FL MGUARD 2102
Platforms: Unknown
Default status: unaffected

FL MGUARD 2102 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	10.1.1	None listed

FL MGUARD 4102 PCI

Vendor: PHOENIX CONTACT
Product: FL MGUARD 4102 PCI
Platforms: Unknown
Default status: unaffected

FL MGUARD 4102 PCI · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	10.1.1	None listed

FL MGUARD 4102 PCIE

Vendor: PHOENIX CONTACT
Product: FL MGUARD 4102 PCIE
Platforms: Unknown
Default status: unaffected

FL MGUARD 4102 PCIE · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	10.1.1	None listed

FL MGUARD 4302

Vendor: PHOENIX CONTACT
Product: FL MGUARD 4302
Platforms: Unknown
Default status: unaffected

FL MGUARD 4302 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	10.1.1	None listed

FL MGUARD CENTERPORT

Vendor: PHOENIX CONTACT
Product: FL MGUARD CENTERPORT
Platforms: Unknown
Default status: unaffected

FL MGUARD CENTERPORT · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD CENTERPORT VPN-1000

Vendor: PHOENIX CONTACT
Product: FL MGUARD CENTERPORT VPN-1000
Platforms: Unknown
Default status: unaffected

FL MGUARD CENTERPORT VPN-1000 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD CORE TX

Vendor: PHOENIX CONTACT
Product: FL MGUARD CORE TX
Platforms: Unknown
Default status: unaffected

FL MGUARD CORE TX · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD CORE TX VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD CORE TX VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD CORE TX VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD DELTA TX/TX

Vendor: PHOENIX CONTACT
Product: FL MGUARD DELTA TX/TX
Platforms: Unknown
Default status: unaffected

FL MGUARD DELTA TX/TX · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD DELTA TX/TX VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD DELTA TX/TX VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD DELTA TX/TX VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD GT/GT

Vendor: PHOENIX CONTACT
Product: FL MGUARD GT/GT
Platforms: Unknown
Default status: unaffected

FL MGUARD GT/GT · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD GT/GT VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD GT/GT VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD GT/GT VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD PCI4000

Vendor: PHOENIX CONTACT
Product: FL MGUARD PCI4000
Platforms: Unknown
Default status: unaffected

FL MGUARD PCI4000 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD PCI4000 VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD PCI4000 VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD PCI4000 VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD PCIE4000

Vendor: PHOENIX CONTACT
Product: FL MGUARD PCIE4000
Platforms: Unknown
Default status: unaffected

FL MGUARD PCIE4000 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD PCIE4000 VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD PCIE4000 VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD PCIE4000 VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS2000 TX/TX-B

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS2000 TX/TX-B
Platforms: Unknown
Default status: unaffected

FL MGUARD RS2000 TX/TX-B · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS2000 TX/TX VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS2000 TX/TX VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD RS2000 TX/TX VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS2005 TX VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS2005 TX VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD RS2005 TX VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS4000 TX/TX-M

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS4000 TX/TX-M
Platforms: Unknown
Default status: unaffected

FL MGUARD RS4000 TX/TX-M · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS4000 TX/TX-P

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS4000 TX/TX-P
Platforms: Unknown
Default status: unaffected

FL MGUARD RS4000 TX/TX-P · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS4000 TX/TX VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS4000 TX/TX VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD RS4000 TX/TX VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS4000 TX/TX VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS4000 TX/TX VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD RS4000 TX/TX VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS4004 TX/DTX

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS4004 TX/DTX
Platforms: Unknown
Default status: unaffected

FL MGUARD RS4004 TX/DTX · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD RS4004 TX/DTX VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD RS4004 TX/DTX VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD RS4004 TX/DTX VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD SMART2

Vendor: PHOENIX CONTACT
Product: FL MGUARD SMART2
Platforms: Unknown
Default status: unaffected

FL MGUARD SMART2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed

FL MGUARD SMART2 VPN

Vendor: PHOENIX CONTACT
Product: FL MGUARD SMART2 VPN
Platforms: Unknown
Default status: unaffected

FL MGUARD SMART2 VPN · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	Unavailable	8.9.0	None listed