🛡️ CVE-2025-59700 — 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 administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.

CVSS metrics in full

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

• Attack vector: Physical — the attacker has to touch the device.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: High — administrative rights are needed first.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: None.

Weakness class

CVE-2025-59700 is classified as CWE-345: Insufficient Verification of Data Authenticity. Data is trusted without confirming it really came from the claimed source and was not altered.

Affected software

CVE-2025-59700 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-2025-59704 (4.6 Medium, published 2 Dec 2025)
• CVE-2025-59696 (3.2 Low, published 2 Dec 2025)
• CVE-2025-59703 (9.1 Critical, published 2 Dec 2025)
• CVE-2025-59695 (9.8 Critical, published 2 Dec 2025)
• CVE-2025-59702 (7.2 High, published 2 Dec 2025)
• 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)

Same weakness in other software

These advisories are the same class of weakness (CWE-345: Insufficient Verification of Data Authenticity) in other software:

• CVE-2026-52737 (5.3 Medium, published 18 Aug 2026)
• CVE-2026-54764 (5.8 Medium, published 18 Aug 2026)
• CVE-2026-71965 (8.8 High, published 10 Aug 2026)
• CVE-2026-71576 (8.5 High, published 10 Aug 2026)
• CVE-2026-21078 (6.5 Medium, published 10 Aug 2026)
• CVE-2026-17011 (3.8 Low, published 9 Aug 2026)
• CVE-2026-15239 (5.3 Medium, published 7 Aug 2026)
• CVE-2026-58262 (published 7 Aug 2026)

Details

Affected Packages

References