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CVE-2004-1540

MediumPublished

ZyXEL Prestige 623, 650, and 652 HW Routers, and possibly other versions, with HTTP Remote Administration enabled, does not require a password to access...

Published: Feb 19, 2005
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Nov 22, 2004

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS probability estimate

6.6%

Low · next 30 days

Percentile: 93.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

ZyXEL Prestige 623, 650, and 652 HW Routers, and possibly other versions, with HTTP Remote Administration enabled, does not require a password to access rpFWUpload.html, which allows remote attackers to reset the router configuration file.

Sources

ZYXEL 3 Prestige Router - HTTP Remote Administration Configuration ResetExploit
Francisco Canela · hardware · Nov 22, 2004

Responsible use

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