Critical severity9.8NVD Advisory· Published Dec 2, 2025· Updated Aug 26, 2026

CVE-2025-59693

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 obtain debug access and escalate privileges by bypassing the tamper label and opening the chassis without leaving evidence, and accessing the JTAG connector. This is called F02.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Entrust/nShield Connect XCcpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <=13.7
Entrust/nShield 5cllm-fuzzy
Range: <=13.7
Entrust/nShield HSMillm-fuzzy
Range: <=13.7
Google/security-researchllm-fuzzy
Entrust/Nshield 5c Firmware
cpe:2.3:o:entrust:nshield_5c_firmware:*:*:*:*:*:*:*:*
Range: <13.6.12
Entrust/Nshield Hsmi Firmware
cpe:2.3:o:entrust:nshield_hsmi_firmware:*:*:*:*:*:*:*:*
Range: <13.6.12
Entrust/Nshield Connect Xc Base Firmware
cpe:2.3:o:entrust:nshield_connect_xc_base_firmware:*:*:*:*:*:*:*:*
Range: <13.6.12
Entrust/Nshield Connect Xc Mid Firmware
cpe:2.3:o:entrust:nshield_connect_xc_mid_firmware:*:*:*:*:*:*:*:*
Range: <13.6.12
Entrust/Nshield Connect Xc High Firmware
cpe:2.3:o:entrust:nshield_connect_xc_high_firmware:*:*:*:*:*:*:*:*
Range: <13.6.12

Patches

Vulnerability mechanics

References

github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwjnvdExploitThird Party Advisory
www.entrust.com/use-case/why-use-an-hsmnvdProduct
github.com/advisories/GHSA-j3px-xpp5-mpfcnvd
www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-september-2025nvd

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000