Buffer overflow in Labf Axessh
CVE-2019-25607
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Labf Axessh — versions 4.2
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46922 (exploit)
- www.labf.com (product)
- www.labf.com/download/axessh.exe (product)
- www.exploit-db.com/exploits/46858 (exploit)
- www.exploit-db.com/shellcodes/46281 (exploit)
- www.vulncheck.com/advisories/axessh-local-stack-based-buffer-overflow-via-log-f… (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25607?
- CVE-2019-25607 is a high-severity vulnerability in Labf Axessh, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-22.
- How severe is CVE-2019-25607?
- High severity. CVSS v3 base score is 8.4 out of 10.