CVE-2026-111548
CVE-2026-111548
A stack-based buffer overflow vulnerability exists in the web management interface of affected Moxa wireless device servers. An authenticated remote attacker with low privileges could exploit insufficient bounds checking of user-supplied input, causing the web management service to become unresponsive. Restoring the service requires power cycling the affected device, while other device functions remain operational.
Fixes and workarounds
Fix
Please refer to Moxa's security advisory: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers
Source: CNA: MoxaAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| NPort W2150A-W4/W2250A-W4 Series Moxa |
≥ 1.0; ≤ 1.5 (affected, custom)
Other versions: unaffected |
CNA: Moxa |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.3 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | CNA: Moxa |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
For agents and automation
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