# CVE-2001-1135

## Summary

- **CVE ID:** CVE-2001-1135
- **Severity:** UNKNOWN
- **CVSS Score:** 0.04
- **CWE:** N/A
- **Published:** Mar 15, 2002
- **Last Modified:** Mar 16, 2026

## Description

ZyXEL Prestige 642R and 642R-I routers do not filter the routers' Telnet and FTP ports on the external WAN interface from inside access, allowing someone on an internal computer to reconfigure the router, if the password is known.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/7146)
- [CNA](http://www.securityfocus.com/archive/1/203022)
- [CNA](http://www.securityfocus.com/archive/1/203592)
- [CNA](http://www.securityfocus.com/archive/1/214971)
- [CNA](http://www.securityfocus.com/bid/3346)
- [CNA](http://www.securityfocus.com/archive/1/204439)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.74%
- **EPSS Percentile:** 72.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._