A security advisory issued on 8 April 2026 reports a vulnerability in Moxa products that could allow attackers to elevate privileges, compromise data confidentiality, and alter data integrity. The flaw is present in multiple product lines, including the BXP‑A100, BXP‑A101, BXP‑C100, DA‑680, DA‑681C, DA‑682C, DA‑720, DA‑820C, DA‑820E, DRP‑A100, DRP‑C100, EXPC‑F2120W, EXPC‑F2150W, MC‑1100, MC‑1200, MC‑3201, MC‑7400, MPC‑2070, MPC‑2101, MPC‑2120, MPC‑2121, MPC‑3070W, MPC‑3100, MPC‑3120, MPC‑3120W, MPC‑3150, MPC‑3150W, RKP‑A110, RKP‑C110, RKP‑C220, V2201, V2403C, V2406C, V3200, and V3400 running Windows 7, Windows 10, or Windows 11 versions earlier than v1.4.0 or v1.5.0 respectively. The vulnerability is tracked as CVE‑2026‑4483. Moxa recommends applying the security patches published in advisory MPSA‑254811, available on the company’s website.
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