CVE-2025-59694

Medium

Description

The Chassis Management Board in 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)), allows a physically proximate attacker to persistently modify firmware and influence the (insecurely configured) appliance boot process. To exploit this, the attacker must modify the firmware via JTAG or perform an upgrade to the chassis management board firmware. This is called F03.

SeverityMedium
CVSS6.8
Exploit probability—
ProductEntrust Nshield 5c Firmware
PublishedDec 2, 2025
First seenDec 2, 2025
Weakness typeCWE-1274CWE-1274

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, 13.7.3 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_hsmi_firmwarev < 13.6.12, 13.7.3 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_connect_xc_base_firmwarev < 13.6.12, 13.7.3 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_connect_xc_mid_firmwarev < 13.6.12, 13.7.3 ≤ v < 13.9.013.6.12, 13.9.0
entrust nshield_connect_xc_high_firmwarev < 13.6.12, 13.7.3 ≤ v < 13.9.013.6.12, 13.9.0

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CVE-2025-59694 · Entrust Nshield 5c Firmware · Dark Radar