PT-2025-36843 · Microsoft · Windows Smbv3 Client+1

Published 2025-09-09 · Updated 2025-10-24 · CVE-2025-54101

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:N/AC:H/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: Windows SMBv3 Client (affected versions not specified)

Description: A use-after-free issue exists in the Windows SMBv3 Client. This allows an authorized attacker to execute code over a network. The vulnerability enables remote attackers to execute arbitrary code and affect the system.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-11124

CVE-2025-54101

Affected Products

Windows

Windows Smbv3 Client

References · 12

• https://bdu.fstec.ru/vul/2025-11124 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54101 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-54101 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-54101 · Security Note
• https://osv.dev/vulnerability/CVE-2025-54101 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-54101 · Security Note
• https://twitter.com/vicariusltd/status/1981771773390503999 · Twitter Post
• https://t.me/cveNotify/139197 · Telegram Post
• https://vicarius.io/vsociety/posts/cve-2025-54101-detection-script-remote-code-execution-vulnerability-affecting-windows-smbv3 · Note
• https://vicarius.io/vsociety/posts/cve-2025-54101-mitigation-script-remote-code-execution-vulnerability-affecting-windows-smbv3 · Note
• https://twitter.com/CVEnew/status/1965557757181907195 · Twitter Post
• https://twitter.com/0dayPublishing/status/1979218163645440320 · Twitter Post