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Unrated severityNVD Advisory· Published Mar 18, 2026· Updated Mar 18, 2026

Stack-Based Buffer Overflow in File Install Parameter Handling

CVE-2026-22319

Description

A stack-based buffer overflow in the device's file installation workflow allows a high-privileged attacker to send oversized POST parameters that overflow a fixed-size stack buffer within an internal process, resulting in a DoS attack.

Affected products

77
  • Phoenix Contact/FL NAT 2008v5
    Range: 0.0.0
  • Phoenix Contact/FL NAT 2208v5
    Range: 0.0.0
  • Phoenix Contact/FL NAT 2304-2GC-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2005v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2008v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2008Fv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2016v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2105v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2108v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2116v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2204-2TC-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2205v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2206-2FXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2206-2FX SMv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2206-2FX SM STv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2206-2FX STv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2206-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2206-2SFX PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2206C-2FXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2207-FXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2207-FX SMv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2208v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2208Cv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2208 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2212-2TC-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2214-2FXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2214-2FX SMv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2214-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2214-2SFX PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2216v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2216 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2303-8SP1v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2304-2GC-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2306-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2306-2SFP PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2308v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2308 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2312-2GC-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2314-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2314-2SFP PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2316v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2316/K1v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2316 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2404-2TC-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2406-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2406-2SFX PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2408v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2408 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2412-2TC-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2414-2SFXv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2414-2SFX PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2416v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2416 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2504-2GC-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2506-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2506-2SFP/K1v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2506-2SFP PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2508v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2508/K1v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2508 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2512-2GC-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2514-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2514-2SFP PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2516v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2516 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2608v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2608 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2708v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 2708 PNv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 5916-8GC-4SFP+v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 5916SFP-8GC-4SFP+v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 5924-4GCv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 5924-4SFP+v5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH 5924SFP-4GCv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH TSN 2312-2GC-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH TSN 2314-2SFPv5
    Range: 0.0.0
  • Phoenix Contact/FL SWITCH TSN 2316v5
    Range: 0.0.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

No linked articles in our index yet.