🛡️ CVE-2025-59693 — nshield-5c-firmware

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

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

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2025-59693 is classified as CWE-269: Improper Privilege Management. Privileges are assigned, dropped or restored incorrectly, leaving an actor with more access than intended.

Affected software

CVE-2025-59693 is recorded against 5 packages.

• nshield-5c-firmware (from 13.7.3 up to 13.9.0)
• nshield-connect-xc-base-firmware (from 13.7.3 up to 13.9.0)
• nshield-connect-xc-high-firmware (from 13.7.3 up to 13.9.0)
• nshield-connect-xc-mid-firmware (from 13.7.3 up to 13.9.0)
• nshield-hsmi-firmware (from 13.7.3 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-2025-59703 (9.1 Critical, published 2 Dec 2025)
• CVE-2025-59696 (3.2 Low, published 2 Dec 2025)
• CVE-2025-59702 (7.2 High, published 2 Dec 2025)
• CVE-2025-59701 (4.1 Medium, published 2 Dec 2025)
• CVE-2025-59695 (9.8 Critical, published 2 Dec 2025)
• CVE-2025-59700 (3.9 Low, published 2 Dec 2025)
• CVE-2025-59694 (6.8 Medium, published 2 Dec 2025)
• CVE-2025-59699 (6.8 Medium, published 2 Dec 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-269: Improper Privilege Management) in other software:

• CVE-2025-54996 (8.0 High, published 27 Jul 2026)
• CVE-2020-7938 (8.0 High, published 9 Jul 2026)
• CVE-2024-22513 (2.0 Low, published 7 Jul 2026)
• CVE-2024-38487 (7.0 High, published 16 Jun 2026)
• CVE-2025-31272 (7.8 High, published 11 Jun 2026)
• CVE-2025-5088 (8.3 High, published 5 Jun 2026)
• CVE-2025-43306 (7.8 High, published 26 May 2026)
• CVE-2025-13618 (9.8 Critical, published 5 May 2026)

Details

Affected Packages

References