CVE-2025-34164 NetSupport Manager < 14.12.0000 Heap-Based Buffer Overflow
Remote unauthenticated attackers can execute arbitrary code or cause denial of service via a heap-based buffer overflow in NetSupport Manager.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34164?
CVE-2025-34164 is a critical memory corruption vulnerability in NetSupport Manager, published on 29 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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 execute arbitrary code.
Weakness: CWE-122
Which versions are affected by CVE-2025-34164?
How do I fix CVE-2025-34164?
No fix has been published for CVE-2025-34164 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-34164 being exploited?
There is no known exploitation of CVE-2025-34164 in the wild and no public exploit code.
Sources
Also known as GHSA-xjv2-3c45-5x63.