CVE-2025-69272: Broadcom DX NetOps Spectrum Disclosure Flaw

CVE-2025-69272 Overview

A cleartext transmission of sensitive information vulnerability has been identified in Broadcom DX NetOps Spectrum, affecting both Windows and Linux platforms. This vulnerability enables attackers to perform sniffing attacks by intercepting unencrypted network traffic, potentially exposing sensitive data transmitted between components of the network management system.

The vulnerability is classified under CWE-319 (Cleartext Transmission of Sensitive Information), indicating that the affected software transmits sensitive data over an unencrypted channel, making it susceptible to interception by malicious actors positioned on the network path.

Critical Impact

Attackers with network access can intercept sensitive information transmitted in cleartext, potentially compromising credentials, configuration data, and other confidential network management information.

Affected Products

• Broadcom DX NetOps Spectrum version 21.2.1 and earlier on Windows
• Broadcom DX NetOps Spectrum version 21.2.1 and earlier on Linux

Discovery Timeline

• 2026-01-12 - CVE CVE-2025-69272 published to NVD
• 2026-01-13 - Last updated in NVD database

Technical Details for CVE-2025-69272

Vulnerability Analysis

This vulnerability stems from the transmission of sensitive information in cleartext within Broadcom DX NetOps Spectrum's network communications. Network management platforms like DX NetOps Spectrum handle critical infrastructure data, including device credentials, SNMP community strings, network topology information, and administrative credentials.

When sensitive data is transmitted without encryption, any attacker with the ability to capture network traffic between the Spectrum server and its managed devices or client applications can intercept this information. This is particularly concerning in enterprise environments where network management systems have broad access to infrastructure devices.

The vulnerability requires network-level access for exploitation, meaning an attacker must be positioned to intercept traffic on the network segment where the vulnerable communications occur. This can be achieved through various means including ARP spoofing, rogue access points, compromised network equipment, or physical access to network infrastructure.

Root Cause

The root cause of this vulnerability is the use of unencrypted communication protocols for transmitting sensitive information within the DX NetOps Spectrum application. The software fails to enforce TLS/SSL encryption for certain communication channels, allowing data to be transmitted in plaintext. This design flaw violates secure development best practices that mandate encryption for all sensitive data in transit.

Attack Vector

The attack vector for CVE-2025-69272 is network-based sniffing. An attacker positioned on the same network segment, or with the ability to perform man-in-the-middle attacks, can passively capture network traffic using tools such as Wireshark, tcpdump, or similar packet capture utilities.

The attack does not require authentication to the Spectrum application itself—only network-level positioning. Once traffic is captured, the attacker can analyze the cleartext data to extract sensitive information including:

• Administrative credentials for the Spectrum management interface
• SNMP credentials used for device management
• Network device configuration information
• Topology and infrastructure details

For technical details regarding this vulnerability, refer to the Broadcom Security Advisory.

Detection Methods for CVE-2025-69272

Indicators of Compromise

• Unusual network traffic patterns between DX NetOps Spectrum servers and managed devices
• Presence of packet capture tools or network sniffing utilities on systems within the network segment
• ARP cache poisoning indicators suggesting man-in-the-middle positioning
• Unauthorized access to managed devices using credentials that should only be known to Spectrum administrators

Detection Strategies

• Monitor for ARP spoofing attempts that could indicate MITM attack preparation
• Implement network intrusion detection systems (NIDS) to identify cleartext credential transmissions
• Deploy anomaly detection for unusual authentication patterns on managed network devices
• Audit network traffic for unencrypted sensitive data transmission on ports used by DX NetOps Spectrum

Monitoring Recommendations

• Enable comprehensive logging on the DX NetOps Spectrum server and review for suspicious activity
• Configure SIEM rules to alert on potential credential theft indicators
• Monitor network segments hosting Spectrum infrastructure for unauthorized packet capture activity
• Implement network segmentation monitoring to detect lateral movement attempts

How to Mitigate CVE-2025-69272

Immediate Actions Required

• Review the Broadcom Security Advisory for vendor-specific remediation guidance
• Upgrade DX NetOps Spectrum to a patched version as specified by Broadcom
• Isolate the DX NetOps Spectrum server on a dedicated, secured network segment
• Implement network-level encryption (e.g., IPsec) for traffic to and from Spectrum servers

Patch Information

Broadcom has published a security advisory addressing this vulnerability. Organizations running DX NetOps Spectrum version 21.2.1 or earlier should consult the Broadcom Security Advisory for specific patch information and upgrade instructions. Upgrading to a supported version that implements proper encryption for sensitive communications is the recommended remediation.

Workarounds

• Deploy VPN tunnels or IPsec to encrypt network traffic between Spectrum components and managed devices
• Implement strict network segmentation to limit exposure of cleartext traffic to trusted network segments only
• Use network access control to restrict which systems can communicate with the Spectrum server
• Enable TLS/SSL where configurable within the application settings pending full upgrade
• Monitor for and block ARP spoofing attempts within the network segment hosting Spectrum

# Example: Configure network segmentation for DX NetOps Spectrum
# Create dedicated VLAN for Spectrum management traffic
# On Cisco switch:
# vlan 100
#  name SPECTRUM_MGMT
# interface vlan 100
#  ip address 10.10.100.1 255.255.255.0
#  description DX NetOps Spectrum Management Network

# Apply ACL to restrict access to Spectrum VLAN
# ip access-list extended SPECTRUM_ACL
#  permit ip 10.10.100.0 0.0.0.255 any
#  deny ip any 10.10.100.0 0.0.0.255