CVE-2025-34164

Published Aug 30, 2025

Last updated 5 months ago

CVSS high 8.8
NetSupport Manager

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-34164 describes a heap-based buffer overflow vulnerability found in NetSupport Manager 14.x versions preceding 14.12.0000. This flaw allows a remote, unauthenticated attacker to potentially trigger a denial of service (DoS) condition or execute arbitrary code on affected systems.

Description
A heap-based buffer overflow vulnerability in NetSupport Manager 14.x versions prior to 14.12.0000 allows a remote, unauthenticated attacker to cause a denial of service (DoS) or potentially result in arbitrary code execution.
Source
disclosure@vulncheck.com
NVD status
Awaiting Analysis

Risk scores

CVSS 4.0

Type
Secondary
Base score
8.8
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/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
Severity
HIGH

Weaknesses

disclosure@vulncheck.com
CWE-122

Social media

Hype score is a measure of social media activity compared against trending CVEs from the past 12 months. Max score 100.

Hype score

1

  1. Unauthenticated RCE in NetSupport Manager by chaining CVE-2025-34164 (heap OOB write) and CVE-2025-34165 (stack OOB read) https://t.co/egsaEVpWqT… Credits Fabian Weber (@codewhitesec) #infosec https://t.co/Orc6kBmt1I

    @stayedwacko

    9 Feb 2026

    66 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  2. Unauthenticated RCE in NetSupport Manager by chaining CVE-2025-34164 (heap OOB write) and CVE-2025-34165 (stack OOB read) https://t.co/UCOtmf5qk7 Credits Fabian Weber (@codewhitesec) #infosec https://t.co/qkOEJerH4e

    @0xor0ne

    8 Feb 2026

    5722 Impressions

    28 Retweets

    110 Likes

    42 Bookmarks

    3 Replies

    0 Quotes

  3. 🚨 CVE-2025-34164 : CRITICAL PRE-AUTH RCE ALERT 🚨 @NetSupportGroup   A pre-authentication remote code execution vulnerability has been disclosed in NetSupport Manager, a widely deployed enterprise remote administration platform used across corporate, education, and govern

    @OstorlabSec

    27 Jan 2026

    40 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  4. NetSupport Manager patches two critical 0-days (CVE-2025-34164 and CVE-2025-34165) enabling unauthenticated RCE in versions up to 14.10.4.0. Update to 14.12.0000 or later. #Vulnerability https://t.co/wUNV9IJiYk

    @threatcluster

    26 Jan 2026

    55 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  5. 🚨 Critical NetSupport Manager “Zero-Day” RCE Flaws Expose Unauthenticated Network Takeover Two critical NetSupport Manager broadcast-feature bugs (CVE-2025-34164 / CVE-2025-34165, CVSS 9.8) enable unauthenticated remote code execution via TCP/5405 by chaining an out-of-bo

    @ThreatSynop

    26 Jan 2026

    49 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  6. You like technical deep dives into binary exploitation and crazy heap wizardry? Then you'll like our blog post by @0xor_solo about unauth'ed RCE in NetSupport Manager aka CVE-2025-34164 & CVE-2025-34165 https://t.co/qTobSqOjrY

    @codewhitesec

    23 Jan 2026

    12253 Impressions

    46 Retweets

    117 Likes

    73 Bookmarks

    0 Replies

    2 Quotes

  7. [CVE-2025-34164: HIGH] A critical heap-based buffer overflow vulnerability in NetSupport Manager versions 14.x could lead to a denial of service or arbitrary code execution. Update to version 14.12.0000 imme...#cve,CVE-2025-34164,#cybersecurity https://t.co/2CdJBStek8 https://t.c

    @CveFindCom

    29 Aug 2025

    170 Impressions

    1 Retweet

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  8. CVE-2025-34164 A heap-based buffer overflow vulnerability in NetSupport Manager 14.x versions prior to 14.12.0000 allows a remote, unauthenticated attacker to cause a denial of serv… https://t.co/MuVgRrn4FE

    @CVEnew

    29 Aug 2025

    485 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes