How LANSCOPE Endpoint Manager Zero-Day Exposes Your Corporate Secrets

CYBERDUDEBIVASH

Published by CyberDudeBivash • Date: Nov 1, 2025 (IST)

How LANSCOPE Endpoint Manager Zero-Day Exposes Your Corporate Secrets

A newly-disclosed zero-day vulnerability in LANSCOPE Endpoint Manager (CVE-2025-61932) is already under active exploitation by a sophisticated cyber-espionage group. Remote code execution on endpoints via this flaw can lead to full takeover of client machines, exfiltration of intellectual property, credentials, and lateral movement within your network.CyberDudeBivash Ecosystem:Apps & Services · CyberBivash (Threat Intel) · CryptoBivash · News Portal · ThreatWire Newsletter

TL;DR — Why This Flaw Is Dangerous

  • Remote code execution: CVE-2025-61932 allows unauthenticated remote attackers to send crafted packets to the LANSCOPE client/detection agent and execute arbitrary code with SYSTEM privileges. 
  • Active exploitation: This is being actively used in the wild — including by state-sponsored actor Bronze Butler targeting Japanese organisations.
  • Corporate secrets at risk: Endpoint compromise → credential theft → lateral movement → data exfiltration of IP, contracts, cloud tokens etc. You should assume credentials and sensitive data may already be exposed.
  • Immediate action needed: Patch now, isolate affected clients, hunt for indicators of compromise, and review your endpoint-agent exposure (especially internet-facing). 

Contents

  1. 1) What is CVE-2025-61932?
  2. 2) What This Means for Corporate Secrets
  3. 3) Detection & Hunting (Endpoints/Network/Cloud)
  4. 4) Mitigation & Incident Response
  5. 5) 30-60-90-Day Action Roadmap
  6. FAQ
  7. Sources

1) What is CVE-2025-61932?

• The product affected is LANSCOPE Endpoint Manager (on-premises) produced by Motex. The vulnerable components are the Client Program (“MR”) and the Detection Agent (“DA”). 
• The flaw stems from “improper verification of source of a communication channel” (CWE-940) allowing attackers to send crafted packets and trigger code execution. 
• Affected versions include 9.4.7.1 and earlier (on-premises). The management server/cloud version is reportedly not vulnerable.
• Exploitation in the wild: JPCERT/CC warns attacks started as early as April 2025. 

2) What This Means for Corporate Secrets

  • Endpoint takeover → pivot risk: With SYSTEM-level code execution, adversaries can implant backdoors, dump credentials, escalate privileges, move laterally and access critical corporate resources. 
  • Data exfiltration & IP theft: Compromised endpoints are ideal staging grounds for exfiltrating contracts, proprietary code, R&D documents, and other intellectual property.
  • Cloud/credential token exposure: Endpoint agents often hold service credentials or tokens; compromise could give access to cloud consoles, storage buckets, or identity lifecycle systems.
  • Supply chain/third-party risk: If the solution is used by vendors or partners and they remain unpatched, you inherit their compromise risk. Attackers like Bronze Butler deliberately target widely-used management agents. 
  • Detection window advantage: The zero-day status and state-sponsored actor involvement mean “breach first, detect later” is likely — assume early systems may already be breached.

3) Detection & Hunting (Endpoints/Network/Cloud)

Endpoint / EDR

# Monitor for child processes of Lanscope client with suspicious behaviour
ParentImage = "*LanscopeClient.exe" OR "*LanscopeAgent.exe"
AND (NewProcessName in ("cmd.exe","powershell.exe","wmic.exe","mimikatz.exe") OR
     CommandLine contains "--inject" OR
     LoadedDLL in ["oaedloader","gokcpdoor"])

Network

  • Watch for connections from compromised endpoints to known C2 IPs: e.g., 38.54.56.57, 38.54.88.172, 108.61.161.118. 
  • Unusual inbound packets to TCP 443 on endpoints that normally don’t accept inbound traffic. JPCERT/CC cited this pattern

Cloud / Identity

  • Check for new service-accounts or tokens created by endpoints running the vulnerable agent.
  • Alert on unusual access patterns starting from those endpoints (exfil transfers, RDP to new hosts, AD dumps).

4) Mitigation & Incident Response

  1. Patch immediately: Upgrade LANSCOPE Endpoint Manager client/agent to the patched version (9.4.7.3 or later) as per Motex advisory. 
  2. Isolate exposed endpoints: If some agents are connected to internet/external networks, temporarily isolate them, disable inbound 443 connectivity, and monitor for signs of compromise. 
  3. Credential rotation: Given possible breach, rotate admin credentials, service accounts, tokens and inspect for unauthorized persistence (backdoors, scheduled tasks).
  4. Lateral movement controls: Enforce segmentation, restrict RDP/SMB, enable AD monitoring for unusual delegation or account creations.
  5. Full forensic review: Investigate endpoint logs, network sessions, scheduled jobs, and file system changes on any vulnerable hosts. Assume “persistent access” until proven otherwise.

5) 30-60-90-Day Action Roadmap

  1. 30 Days: Patch all instances, inventory where LANSCOPE Client/Agent is installed (inc. third-party/vendor endpoints), monitor for inbound 443 traffic on endpoints, hunt for early IOCs.
  2. 60 Days: Review all endpoint management/monitoring agents across your enterprise (not just LANSCOPE), apply least-privilege principles for agent infrastructure, enable endpoint network isolation and ingress controls, set up advanced EDR detections for agent takeover scenarios.
  3. 90 Days: Conduct tabletop exercise simulating agent-compromise scenario, review supply-chain/vendor agent exposure, and integrate findings into your risk management, incident response, and asset-management processes.

FAQ

Is this only affecting Japanese companies?

While most exploitation observed so far is in Japan, the vulnerability exists globally for on-premises versions of LANSCOPE (client/agent) in version 9.4.7.1 and earlier. Don’t assume you’re safe just because you’re outside Japan.

Is the cloud version vulnerable?

No. According to Motex, the on-premises client/agent components are vulnerable; cloud-hosted LANSCOPE management does not share the flaw vector. That said, endpoints with the vulnerable components are at risk.

What should we assume about our environment?

Given the active exploitation and state-sponsored actor involvement, assume compromise unless proven otherwise. Hunt for persistence, exfil and lateral movement.

Sources

  • HelpNetSecurity — Lanscope Endpoint Manager vulnerability exploited in zero-day attacks (CVE-2025-61932) 
  • SOCRadar — CISA adds Lanscope Endpoint Manager zero-day to KEV (CVE-2025-61932) 
  • The Hacker News — China-linked Tick group exploits Lanscope zero-day to hijack corporate systems 
  • HivePro Threat Advisory — CVE-2025-61932: Critical Lanscope Endpoint Manager Flaw Actively Exploited :
  • TechRadar News — CISA warns of Lanscope Endpoint Manager flaw, patch now 

Ecosystem: cyberdudebivash.com | cyberbivash.blogspot.com | cryptobivash.code.blog | cyberdudebivash-news.blogspot.com | ThreatWire Newsletter

Author: CyberDudeBivash • Powered by CyberDudeBivash • © 2025

 #CyberDudeBivash #CyberBivash #LANSCOPE #CVE202561932 #EndpointAgent #ZeroDay #Espionage #DataExfiltration #ThreatWire

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