Moxa TN-4500A/TN-5500A/TN-G4500/TN-G6500 acceptance of extraneous untrusted data with trusted data

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Moxa TN-4500A, TN-5500A, TN-G4500 and TN-G6500. Affected by this issue is some unknown functionality. This manipulation causes acceptance of extraneous untrusted data with trusted data. This vulnerability is handled as CVE-2025-1680. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Moxa TN-4500A, TN-5500A, TN-G4500 and TN-G6500 (version now known). Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a acceptance of extraneous untrusted data with trusted data vulnerability. The CWE definition for the vulnerability is CWE-349. The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was released by Aarón Flecha Menéndez and Víctor Bello Cuevas. It is possible to read the advisory at moxa.com. This vulnerability is known as CVE-2025-1680 since 02/25/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2398). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Moxa Switch

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Acceptance of extraneous untrusted data with trusted data
CWE: CWE-349
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/25/2025 CVE reserved
10/23/2025 +239 days Advisory disclosed
10/23/2025 +0 days VulDB entry created
10/24/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: moxa.com

Advisory: moxa.com
Researcher: Aarón Flecha Menéndez, Víctor Bello Cuevas
Status: Confirmed

CVE: CVE-2025-1680 (🔒)
GCVE (CVE): GCVE-0-2025-1680
GCVE (VulDB): GCVE-100-329671
CERT Bund: WID-SEC-2025-2398 - Moxa Switch: Mehrere Schwachstellen

Entryinfo

Created: 10/23/2025 18:11
Updated: 10/24/2025 12:09
Changes: 10/23/2025 18:11 (65), 10/24/2025 12:09 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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