🛡️ CVE-2025-59696 — nshield-5c-firmware

How this vulnerability can be exploited

This issue can be reached with physical access to the device, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

• Attack vector: Physical — the attacker has to touch the device.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: None.

Weakness class

CVE-2025-59696 is classified as CWE-1263: Improper Physical Access Control. The product is designed with access restricted to certain information, but it does not sufficiently protect against an unauthorized actor with physical access to these areas.

Affected software

CVE-2025-59696 is recorded against 5 packages.

• nshield-5c-firmware (from 13.7 up to 13.9.0)
• nshield-connect-xc-base-firmware (from 13.7 up to 13.9.0)
• nshield-connect-xc-high-firmware (from 13.7 up to 13.9.0)
• nshield-connect-xc-mid-firmware (from 13.7 up to 13.9.0)
• nshield-hsmi-firmware (from 13.7 up to 13.9.0)

Timeline and source

Published on 2 December 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
www.entrust.com

Other advisories for this package

nshield-5c-firmware has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2025-59694 (6.8 Medium, published 2 Dec 2025)
• CVE-2025-59701 (4.1 Medium, published 2 Dec 2025)
• CVE-2025-59693 (9.8 Critical, published 2 Dec 2025)
• CVE-2025-59700 (3.9 Low, published 2 Dec 2025)
• CVE-2025-59699 (6.8 Medium, published 2 Dec 2025)
• CVE-2025-59705 (6.8 Medium, published 2 Dec 2025)
• CVE-2025-59698 (6.8 Medium, published 2 Dec 2025)
• CVE-2025-59704 (4.6 Medium, published 2 Dec 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-1263: Improper Physical Access Control) in other software:

• CVE-2025-4386 (6.8 Medium, published 7 May 2026)
• CVE-2024-48973 (9.3 Critical, published 14 Nov 2024)
• CVE-2024-39512 (6.6 Medium, published 10 Jul 2024)
• CVE-2022-32506 (6.4 Medium, published 14 May 2024)
• CVE-2024-28326 (6.8 Medium, published 26 Apr 2024)
• CVE-2023-38290 (7.8 High, published 22 Apr 2024)
• CVE-2022-3728 (6.1 Medium, published 9 Oct 2023)
• CVE-2022-48183 (6.1 Medium, published 9 Oct 2023)

Details

Affected Packages

References