Anydesk 5.4.2 May 2026

AnyDesk 5.4.2, released on December 19, 2019, is a legacy version of the remote desktop software primarily known for its speed and lightweight footprint. While it maintains core features like low-latency performance and high frame rates, users should be aware of critical security vulnerabilities associated with older versions and the limited scope of its final updates. Key Features of Version 5.4.2

High Performance: Designed to utilize up to 90% of modern multi-core CPUs, allowing for smooth tasks like video editing or CAD.

Lightweight Client: The executable is approximately 2 megabytes, making it portable for use via email or USB drives.

Cross-Platform: Supports Windows, macOS, Linux, Android, and iOS.

Ease of Use: Offers a "run only" mode that allows remote access without administrative privileges or full software installation. anydesk 5.4.2

Collaboration Tools: Includes a text chat and a virtual whiteboard for troubleshooting and presentations. Version-Specific Changes

The update to 5.4.2 was a minor maintenance release that primarily focused on:

Bug Fixes: Addressed minor stability issues found in previous 5.4.x iterations.

Security Improvements: While it used TLS 1.2 encryption at the time, this version is now outdated regarding modern security standards. Critical Security and Stability Risks AnyDesk 5

Using version 5.4.2 today presents significant risks compared to the latest AnyDesk releases:

Unquoted Service Path: Version 5.4.0 (and potentially others in the 5.x branch) was flagged for CVE-2019-25261, a vulnerability allowing local attackers to gain elevated system privileges.

IP Exposure: Older versions (pre-8.1.0) have been linked to CVE-2024-52940, which could allow attackers to uncover a user's public IP address through the AnyDesk ID.

Memory Corruption: Historical data for version 5.4.2 includes vulnerabilities related to code execution and bypass issues that have since been patched in newer versions like 9.x. Performance vs. Modern Standards AnyDesk 5.4.2 - Neowin "Unattended Access" vs. "Screen Sharing Only").

3. The Codec: DeskRT

The core of AnyDesk’s performance has always been its proprietary codec, DeskRT. Version 5.4.2 included optimizations for this codec, specifically regarding:

• Latency Reduction: It offered near-instantaneous input response, crucial for designers and editors working remotely.
• Bandwidth Efficiency: The 5.4 series was famously capable of running smoothly on internet connections as slow as 100 kB/s, a threshold that allowed it to function in rural areas or on mobile hotspots where other software would fail.

5. Risk Analysis

| Risk Factor | Severity | Description | | :--- | :--- | :--- | | Exploitation | High | Known vulnerabilities allow for potential system takeover. | | Data Leakage | Medium | Unencrypted or weakly encrypted sessions compared to modern standards. | | Compliance | Critical | Using unsupported software likely violates GDPR, HIPAA, or PCI-DSS standards. | | Operational | Medium | Lack of modern features hampers productivity and remote management. |

Who Still Uses AnyDesk 5.4.2 Today?

Warning: Using outdated software carries security risks. This section is for informational purposes only.

Some niche communities continue to use 5.4.2 for specific reasons:

• Windows XP/Vista Users: Version 5.4.2 was the last major release to fully support Windows XP and Vista without workarounds.
• Low-End Hardware: Netbooks with Intel Atom CPUs and 1GB of RAM run v5.4.2 smoothly, whereas modern Electron-based remote tools struggle.
• Offline Networks: In air-gapped environments, administrators often stick with a known, stable version that has been fully vetted.

2. Refined Security Permissions

AnyDesk 5.4 introduced improved permission profiles. Version 5.4.2 solidified these security measures, allowing users to create specific profiles for different access scenarios (e.g., "Unattended Access" vs. "Screen Sharing Only").

• Two-Factor Authentication: This version provided early stability for Two-Factor Authentication (2FA) for unattended access, a critical feature for system administrators managing remote servers.

Summary

AnyDesk 5.4.2 is a minor maintenance release in the AnyDesk 5.x series focusing on stability fixes, performance improvements, and small feature/compatibility updates for remote desktop connectivity.