CVE-2019-25607 Axessh 4.2 Local Stack-based Buffer Overflow via Log File Name
Local attackers can execute arbitrary code with system privileges by exploiting a stack-based buffer overflow in the log file name field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-25607?
CVE-2019-25607 is a high-severity memory corruption vulnerability in Labf Axessh, published on 22 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Axessh 4.2 contains a stack-based buffer overflow vulnerability in the log file name field that allows local attackers to execute arbitrary code by supplying an excessively long filename. Attackers can overflow the buffer at offset 214 bytes to overwrite the instruction pointer and execute shellcode with system privileges.
Weakness: CWE-787
Which versions are affected by CVE-2019-25607?
How do I fix CVE-2019-25607?
No fix has been published for CVE-2019-25607 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-2019-25607 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25607 exists.
Sources
Also known as GHSA-892q-pfj4-43mq.