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CVE-2025-34256: Use of Hard-coded Cryptographic Key

🗓️ 05 Dec 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Remote unauthenticated account impersonation and RCE in Advantech WISE-DeviceOn Server < 5.4.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-34256
5 Dec 202519:23
–circl
cnnvd
CNNVD
Advantech WISE-DeviceOn Server 安全漏洞
5 Dec 202500:00
–cnnvd
cnvd
CNVD
Advantech WISE-DeviceOn Server Hard-Coded Encryption Key Vulnerability
10 Dec 202500:00
–cnvd
cve
CVE
CVE-2025-34256
5 Dec 202517:18
–cve
cvelist
Cvelist
CVE-2025-34256 Advantech WISE-DeviceOn Server < 5.4 Hard-coded JWT Key Authentication Bypass
5 Dec 202517:18
–cvelist
euvd
EUVD
EUVD-2025-201428
5 Dec 202517:18
–euvd
nvd
NVD
CVE-2025-34256
5 Dec 202518:15
–nvd
osv
OSV
CVE-2025-34256
5 Dec 202518:15
–osv
ptsecurity
Positive Technologies
PT-2025-49277
5 Dec 202500:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2025-34256
6 Dec 202517:54
–redhatcve
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15 Apr 2026 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.19.8
CVSS 410
EPSS0.00691
SSVC
0