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None · 0.0 CVE-2025-1680 EUVD-2025-35688GHSA-8fj5-vvv3-q47w

An acceptance of extraneous untrusted data with trusted data vulnerability has been identified in Moxa’s Ethernet switches, which allows at…

Published Oct 23, 2025 · Updated Oct 23, 2025 · Assigned by Moxa

Description

An acceptance of extraneous untrusted data with trusted data vulnerability has been identified in Moxa’s Ethernet switches, which allows attackers with administrative privileges to manipulate HTTP Host headers by injecting a specially crafted Host header into HTTP requests sent to an affected device’s web service. This vulnerability is classified as Host Header Injection, where invalid Host headers can manipulate to redirect users, forge links, or phishing attacks. There is no impact to the confidentiality, integrity, and availability of the affected device; no loss of confidentiality, integrity, and availability within any subsequent systems.

Affected products

VendorProductAffectedFixed
Moxa TN-4500A Series 1.0 – ≤ 3.13 4.0
Moxa TN-5500A Series 1.0 – ≤ 3.13 4.0
Moxa TN-G4500 Series 1.0 – ≤ 5.5 5.5.255
Moxa TN-G6500 Series 1.0 – ≤ 5.5 5.5.255

Advisories 1

References