VDB-319028 · CVE-2025-22470 · EUVD-2025-23818

SATO CL4-6NX Plus/CL4-6NX-J Plus prior 1.15.5-r1 Lua Script unrestricted upload

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in SATO CL4-6NX Plus and CL4-6NX-J Plus. The affected element is an unknown function of the component Lua Script Handler. Such manipulation leads to unrestricted upload. This vulnerability is listed as CVE-2025-22470. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in SATO CL4-6NX Plus and CL4-6NX-J Plus and classified as very critical. Affected by this issue is an unknown part of the component Lua Script Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

CL4/6NX Plus and CL4/6NX-J Plus (Japan model) with the firmware versions prior to 1.15.5-r1 allow crafted dangerous files to be uploaded. An arbitrary Lua script may be executed on the system with the root privilege.

The advisory is shared for download at sato-global.com. This vulnerability is handled as CVE-2025-22470 since 01/07/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/06/2025). The MITRE ATT&CK project declares the attack technique as T1608.002.

Upgrading to version 1.15.5-r1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-23818). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

SATO

Name

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: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (jpcert): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CL4-6NX Plus/CL4-6NX-J Plus 1.15.5-r1

Timelineinfo

01/07/2025 🔍
08/06/2025 +210 days 🔍
08/06/2025 +0 days 🔍
08/06/2025 +0 days 🔍

Sourcesinfo

Advisory: sato-global.com
Status: Confirmed

CVE: CVE-2025-22470 (🔍)
GCVE (CVE): GCVE-0-2025-22470
GCVE (VulDB): GCVE-100-319028
EUVD: 🔍

Entryinfo

Created: 08/06/2025 13:22
Updated: 08/06/2025 16:50
Changes: 08/06/2025 13:22 (75), 08/06/2025 16:50 (1)
Complete: 🔍
Cache ID: 216::103