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Unrated severityNVD Advisory· Published Dec 31, 2004· Updated Apr 16, 2026

CVE-2004-1540

CVE-2004-1540

Description

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.

Affected products

8
  • Zyxel/Prestige5 versions
    cpe:2.3:h:zyxel:prestige:645r_a1:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:h:zyxel:prestige:645r_a1:*:*:*:*:*:*:*
    • cpe:2.3:h:zyxel:prestige:650h:*:*:*:*:*:*:*
    • cpe:2.3:h:zyxel:prestige:650hw:*:*:*:*:*:*:*
    • cpe:2.3:h:zyxel:prestige:650hw_31:*:*:*:*:*:*:*
    • cpe:2.3:h:zyxel:prestige:650r:*:*:*:*:*:*:*
  • Zyxel/Zynos3 versions
    cpe:2.3:h:zyxel:zynos:3.40:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:h:zyxel:zynos:3.40:*:*:*:*:*:*:*
    • cpe:2.3:h:zyxel:zynos:is.3:*:*:*:*:*:*:*
    • cpe:2.3:h:zyxel:zynos:is.5:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

7

News mentions

0

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