Improper Restriction of Excessive Authentication Attempts, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Peer authentication, API login modules), rustdesk-server RustDesk Server (OSS) rustdesk-server on Windows, MacOS, Linux (Peer authentication, API login modules) allows Password Brute Forcing. This vulnerability is associated with program files src/server/connection.Rs and program routines Salt/challenge generation, SHA256(SHA256(pwd+salt)+challenge) verification.

This issue affects RustDesk Server Pro: through 1.7.5; RustDesk Server (OSS): through 1.1.15.

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Advisories

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Fixes

Solution

Implement SRP (Secure Remote Password) for mutual authentication. Add server-side rate limiting.


Workaround

Use long (16+ char) random passwords. Enable 2FA where available. Deploy rate-limiting (e.g., fail2ban on OSS 1.1.15+).

References
History

Thu, 05 Mar 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 05 Mar 2026 16:00:00 +0000

Type Values Removed Values Added
Description Improper Restriction of Excessive Authentication Attempts, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Peer authentication, API login modules), rustdesk-server RustDesk Server (OSS) rustdesk-server on Windows, MacOS, Linux (Peer authentication, API login modules) allows Password Brute Forcing. This vulnerability is associated with program files src/server/connection.Rs and program routines Salt/challenge generation, SHA256(SHA256(pwd+salt)+challenge) verification. This issue affects RustDesk Server Pro: through 1.7.5; RustDesk Server (OSS): through 1.1.15.
Title RustDesk Server Controls All Handshake Entropy (Salt/Challenge), Enabling Offline Brute-Force
Weaknesses CWE-307
CWE-916
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VULSec

Published:

Updated: 2026-03-05T15:49:15.539Z

Reserved: 2026-03-05T14:13:37.202Z

Link: CVE-2026-30790

cve-icon Vulnrichment

Updated: 2026-03-05T16:30:43.098Z

cve-icon NVD

Status : Received

Published: 2026-03-05T16:16:19.703

Modified: 2026-03-05T16:16:19.703

Link: CVE-2026-30790

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses