Buffer overflow in Freshsoftware Netstat Pro
CVE-2019-25637
X-NetStat Pro 5.63 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by overwriting the EIP register through a 264-byte buffer overflow. Attackers can inject shellcode into memory and use an egg hunter technique to locate and execute the payload when the application processes malicious input through HTTP Client or Rules functionality.
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 (7.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.2% 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
- Freshsoftware Netstat Pro — versions 5.63 #
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46596 (exploit)
- freshsoftware.com (product)
- www.vulncheck.com/advisories/x-netstat-pro-local-buffer-overflow-via-egghunter (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25637?
- CVE-2019-25637 is a high-severity vulnerability in Freshsoftware Netstat Pro, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-24.
- How severe is CVE-2019-25637?
- High severity. CVSS v3 base score is 8.4 out of 10.