Which versions of Terminal Services Manager are affected by EUVD-2019-19839?

Organizations using Terminal Services Manager 3.2.1 should be aware of moderate risk from CVE-2019-25545, a out-of-bounds write vulnerability rated CVSS 6.2.

Is there a public PoC exploit available for EUVD-2019-19839?

Yes, a public proof-of-concept exploit is available for EUVD-2019-19839. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate EUVD-2019-19839?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Terminal Services Manager EUVD-2019-19839

Q: What is the CVSS score of EUVD-2019-19839?

EUVD-2019-19839 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

| CVE-2019-25545 MEDIUM

Out-of-bounds Write (CWE-787)

2026-03-21 VulnCheck

GHSA-xxgx-x42c-j7x8

Memory Corruption Denial Of Service Buffer Overflow Terminal Services Manager

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

Apr 16, 2026 - 17:52 NVD

6.2 (MEDIUM) 6.9 (MEDIUM)

PoC Detected

Mar 23, 2026 - 14:31 vuln.today

Public exploit code

EUVD ID Assigned

Mar 21, 2026 - 13:00 euvd

EUVD-2019-19839

Analysis Generated

Mar 21, 2026 - 13:00 vuln.today

CVE Published

Mar 21, 2026 - 12:46 nvd

MEDIUM 6.2

CVE Published

Mar 21, 2026 - 12:46 cve.org

MEDIUM 6.9

DescriptionCVE.org

Terminal Services Manager 3.2.1 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying an excessively long string in the computer name field. Attackers can input a 5000-byte buffer of data into the 'Computer name or IP address' field during computer addition, causing a denial of service when the server entry is accessed.

AnalysisAI

Terminal Services Manager 3.2.1 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying an excessively long string in the computer name field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Terminal Services Manager 3.2.1 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying an excessively long string in the computer name field. Attackers can input a 5000-byte buffer of data into the 'Computer name or IP address' field during computer addition, causing a denial of service when the server entry is accessed. Affected products include: Lizardsystems Terminal Services Manager.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).