Vulnerability · Published Oct 23, 2025 · Assigned by Moxa
CVE-2025-1680
None 0.0
In plain English
A security flaw in TN-4500A Series from Moxa. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Moxa | TN-4500A Series | 1.0 – through 3.13 |
| Moxa | TN-5500A Series | 1.0 – through 3.13 |
| Moxa | TN-G4500 Series | 1.0 – through 5.5 |
| Moxa | TN-G6500 Series | 1.0 – through 5.5 |
Weakness: CWE-349 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N