CVE-2026-109813

Shared Hard-coded Root CA Private Key

Published Oct 16, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
A hard-coded cryptographic key vulnerability exists in the `/usr/bin/sysman` of some of Moxa's industrial computing products. An unauthenticated attacker with adjacent network access could exploit the exposed private key material to compromise the confidentiality and integrity of communications.

Remediation

Vendor Solution

Please refer to Moxa Security Advisory: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-262560-cve-2026-109812,-cve-2026-109813-vulnerabilities-in-industrial-computing-products

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A hard-coded cryptographic key vulnerability exists in the `/usr/bin/sysman` of some of Moxa's industrial computing products. An unauthenticated attacker with adjacent network access could exploit the exposed private key material to compromise the confidentiality and integrity of communications.
Title Shared Hard-coded Root CA Private Key
First Time appeared Moxa
Moxa aig-302 Series
Weaknesses CWE-321
CPEs cpe:2.3:a:moxa:aig-302_series:*:*:*:*:*:*:*:*
cpe:2.3:a:moxa:aig-302_series:1.4.1:*:*:*:*:*:*:*
Vendors & Products Moxa
Moxa aig-302 Series
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Moxa
Published
Updated
Oct 16, 2026, 1:54 PM
Reserved
Oct 13, 2026, 3:55 AM
Status
Deferred
Published
Oct 16, 2026, 3:18 AM
Modified
Oct 16, 2026, 7:56 PM