CVE-2025-41385 Overview
CVE-2025-41385 is an OS Command Injection vulnerability [CWE-78] affecting all versions of Uchida wivia 5, a wireless presentation device. A logged-in administrative user can exploit improper input handling to execute arbitrary operating system commands on the underlying firmware. Successful exploitation grants the attacker code execution in the device context, potentially compromising integrity and availability of the appliance.
The issue was published to the National Vulnerability Database (NVD) on May 30, 2025, and is tracked in JVN Security Advisory JVN51394666. The vulnerability requires authenticated administrative access over the network.
Critical Impact
An authenticated administrative attacker can execute arbitrary OS commands on the wivia 5 device, leading to full firmware compromise and disruption of presentation services.
Affected Products
- Uchida wivia 5 (hardware) — all versions
- Uchida wivia 5 firmware — all versions
- Deployments using cpe:2.3:o:uchida:wivia_5_firmware and cpe:2.3:h:uchida:wivia_5
Discovery Timeline
- 2025-05-30 - CVE-2025-41385 published to NVD
- 2025-06-04 - Last updated in NVD database
Technical Details for CVE-2025-41385
Vulnerability Analysis
The vulnerability is classified as OS Command Injection under [CWE-78]. The wivia 5 administrative interface accepts user-supplied input that is incorporated into operating system command invocations without sufficient neutralization of shell metacharacters. An authenticated administrator can inject command separators or substitution operators to execute arbitrary commands in the firmware shell.
Because wivia 5 is a network-attached wireless presentation appliance, the management interface is typically exposed to internal corporate or meeting-room networks. Exploitation requires valid administrative credentials, which limits unauthenticated mass exploitation but does not protect against credential reuse, default credential attacks, or malicious insiders.
The Exploit Prediction Scoring System (EPSS) currently rates the probability of exploitation at 0.534%, with no public proof-of-concept code available at this time.
Root Cause
The root cause is improper neutralization of special elements used in an OS command. Input fields exposed through the administrative interface are passed to system command execution APIs without escaping shell metacharacters such as ;, &, |, and backticks. The firmware does not enforce an allow-list of expected values or use safe parameterized command invocation.
Attack Vector
The attack vector is network-based and requires high privileges. An attacker who has authenticated to the wivia 5 administrative console submits crafted input containing shell metacharacters through a vulnerable management function. The injected payload executes with the privileges of the device service process, typically a privileged firmware account on an embedded Linux system.
No verified exploit code is publicly available. Technical specifics of the vulnerable parameters have not been disclosed in the JVN Security Advisory JVN51394666.
Detection Methods for CVE-2025-41385
Indicators of Compromise
- Unexpected outbound connections originating from wivia 5 device IP addresses to external hosts.
- Administrative authentication events on the wivia 5 management interface from unusual source addresses or at atypical hours.
- Configuration changes or new firmware behaviors that do not correspond to authorized maintenance windows.
Detection Strategies
- Monitor administrative login activity on wivia 5 appliances and correlate with subsequent network behavior changes.
- Inspect HTTP/HTTPS traffic to the device management interface for parameters containing shell metacharacters such as ;, |, &, $(), or backticks.
- Baseline normal network behavior of wivia 5 devices and alert on deviations such as outbound shell-like traffic, DNS tunneling, or unexpected listening ports.
Monitoring Recommendations
- Forward authentication and access logs from wivia 5 appliances to a centralized SIEM for correlation.
- Place wivia 5 devices on a segmented VLAN and monitor north-south traffic at the segmentation boundary.
- Track administrative credential usage and rotate credentials if anomalous activity is observed.
How to Mitigate CVE-2025-41385
Immediate Actions Required
- Restrict network access to the wivia 5 administrative interface to trusted management hosts only.
- Change default administrative credentials and enforce strong, unique passwords on every wivia 5 device.
- Audit administrator accounts and remove unused or shared accounts that could enable abuse of this vulnerability.
- Review the Uchida Support Page for vendor advisories and firmware updates.
Patch Information
Uchida has published advisory information on the Uchida Support Page and through JVN Security Advisory JVN51394666. Administrators should consult these resources for the latest firmware updates and apply any vendor-supplied fixes as soon as they become available.
Workarounds
- Isolate wivia 5 devices on a dedicated VLAN with strict access control lists limiting reachability to the management interface.
- Disable remote administrative access where business requirements allow, restricting configuration to on-site management only.
- Apply network-layer authentication controls such as VPN or jump host access for any administrative session to the device.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
