CVE-2025-59703

Critical

Description

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7 (patched in 13.6.12 (LTS) and 13.9.0 (STS)), allow a Physically Proximate Attacker to access the internal components of the appliance, without leaving tamper evidence. To exploit this, the attacker needs to remove the tamper label and all fixing screws from the device without damaging it. This is called an F14 attack.

SeverityCritical
CVSS9.1
Exploit probability—
ProductEntrust Nshield 5c Firmware
PublishedDec 2, 2025
First seenDec 2, 2025

How to fix

Update
  • entrust nshield_5c_firmware13.6.12, 13.9.0 or later
  • entrust nshield_hsmi_firmware13.6.12, 13.9.0 or later
  • entrust nshield_connect_xc_base_firmware13.6.12, 13.9.0 or later
  • entrust nshield_connect_xc_mid_firmware13.6.12, 13.9.0 or later
  • entrust nshield_connect_xc_high_firmware13.6.12, 13.9.0 or later

Affected products

ProductAffected versionsFixed in
entrust nshield_5c_firmwarev < 13.6.12, 13.7 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_hsmi_firmwarev < 13.6.12, 13.7 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_connect_xc_base_firmwarev < 13.6.12, 13.7 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_connect_xc_mid_firmwarev < 13.6.12, 13.7 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_connect_xc_high_firmwarev < 13.6.12, 13.7 ≤ v < 13.9.013.6.12, 13.9.0

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CVE-2025-59703 · Entrust Nshield 5c Firmware · Dark Radar