# CVE-2018-25243

## Summary

- **CVE ID:** CVE-2018-25243
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-763
- **Published:** Apr 4, 2026
- **Last Modified:** Jul 15, 2026

## Description

Microsoft FastTube 1.0.1.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string to the search functionality. Attackers can paste a buffer of 1900 characters into the search bar and trigger a crash when the search operation is executed.

## Affected Products

- FastTube — FastTube (1.0.1.0)

## References

- [CNA](https://www.exploit-db.com/exploits/46199)
- [CNA](https://www.microsoft.com/store/productId/9MXS9JVDP25V)
- [CNA](https://www.vulncheck.com/advisories/microsoft-fasttube-denial-of-service-via-search)
- [CNA](https://www.vulncheck.com/advisories/fasttube-denial-of-service-via-search)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 2.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._