High 8.6Published Oct 15, 2026

CVE-2026-109813Shared Hard-coded Root CA Private Key

Updated under an hour ago (Oct 28, 2026, 1:23 PM ET)

Does this affect you?

It affects Moxa AIG-302 Series. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.16%, higher than 5% of scored CVEs.

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Every CVE for Moxa AIG-302 Series

Exploited in the last 30 days

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.

CVSS: 8.6 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-321
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.16% (percentile 5)
Assigned by: Moxa
NVD analysis: Deferred
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Moxa AIG-302 Series moxa:aig_302_series (from the name)	from 1.0.0 through 1.4.0; 1.4.1 not affected	CNA record

References

References

https://www.moxa.com/en/support/product-support/security-advisory/mpsa-262560-cve-2026-109812,-cve-2026-109813-vulnerabilities-in-industrial-computing-products	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.