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CVE-2025-34165

NetSupport Manager < 14.12.0000 Stack-Based Buffer Overflow

HIGH
8.8
CVSS Score
Published: August 29, 2025 at 11:31 PM UTC
Updated: October 18, 2026 at 09:10 PM UTC
1 product affected across 1 vendorNetSupport Manager

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A stack-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 leak a limited amount of memory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

NetSupport Manager· Netsupport
90%
14.0 ≤ v < 14.12.000014.0
Affected range stops below 14.12.0000, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Product
Source: [email protected]
https://www.netsupportmanager.com/
Third Party Advisory
Source: [email protected]
https://www.vulncheck.com/advisories/netsupport-client-manager-buffer-overflows

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121

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