CVE•Published 2026-04-22•Modified 2026-04-29•1 article on news•7 live references•NVD data

CVE-2018-25259Lizardsystems · Terminal_services_manager

Vulnerability data via NVD (ingested)

CVSS v3.1

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 97% of all CVEs

Weaknesses (CWE)

CWE-306Missing Authentication for Critical Function

Description

Terminal Services Manager 3.1 contains a stack-based buffer overflow vulnerability in the computer names field that allows local attackers to execute arbitrary code by triggering structured exception handling. Attackers can craft a malicious input file with shellcode and jump instructions that overwrite the SEH handler pointer to execute calc.exe or other payloads when imported through the add computers wizard.

Timeline

Published 2026-04-22

Modified 2026-04-29

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2018-25259

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Lizardsystems Terminal Services Manager"

All exposed Lizardsystems Terminal Services Manager instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Terminal Services Manager"

HTTP body or banner mentions "Terminal Services Manager" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2018-25259