CVE-2025-59694 Security feature bypass in n/a

Medium 6.8 Published 2 Dec 2025 Updated 26 Aug 2026

A physically proximate attacker can persistently modify firmware and bypass secure boot on Entrust nShield HSMs via JTAG or firmware upgrades.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-59694?

CVE-2025-59694 is a medium-severity vulnerability in n/a, published on 2 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-1274

Which versions are affected by CVE-2025-59694?

It affects 5 products.

Products include Entrust Nshield 5c Firmware, Entrust Nshield Connect Xc Base Firmware, Entrust Nshield Connect Xc High Firmware, Entrust Nshield Connect Xc Mid Firmware, Entrust Nshield Hsmi Firmware.

How do I fix CVE-2025-59694?

No fix has been published for CVE-2025-59694 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-59694 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-59694 exists.

Sources

Also known as GHSA-7gqq-6vwr-4g3v.