What is the severity of CVE-2004-1540?

CVE-2004-1540 has a critical severity level due to the lack of authentication allowing unauthorized access to router configurations.

How do I fix CVE-2004-1540?

To fix CVE-2004-1540, disable HTTP remote administration on affected ZyXEL Prestige routers.

Which devices are affected by CVE-2004-1540?

CVE-2004-1540 affects various ZyXEL Prestige and Zynos routers with HTTP remote administration enabled.

Can CVE-2004-1540 be exploited remotely?

Yes, CVE-2004-1540 can be exploited remotely without authentication, allowing attackers to alter router settings.

What action should I take if I am using an affected router version for CVE-2004-1540?

If using an affected version, immediately apply security best practices by disabling remote administration and securing your network.

Vulnerability/
CVE-2004-1540

medium

CWE

NVD-CWE-Other

31/12/2004

19/2/2005

8/8/2024

CVE-2004-1540

First published: Fri Dec 31 2004(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
ZyXEL Prestige	=645r_a1
ZyXEL Prestige	=650h
ZyXEL Prestige	=650hw
ZyXEL Prestige	=650hw_31
ZyXEL Prestige	=650r
ZyXEL ZyNOS firmware	=3.40
ZyXEL ZyNOS firmware	=is.3
ZyXEL ZyNOS firmware	=is.5

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2004-1540?
CVE-2004-1540 has a critical severity level due to the lack of authentication allowing unauthorized access to router configurations.
How do I fix CVE-2004-1540?
To fix CVE-2004-1540, disable HTTP remote administration on affected ZyXEL Prestige routers.
Which devices are affected by CVE-2004-1540?
CVE-2004-1540 affects various ZyXEL Prestige and Zynos routers with HTTP remote administration enabled.
Can CVE-2004-1540 be exploited remotely?
Yes, CVE-2004-1540 can be exploited remotely without authentication, allowing attackers to alter router settings.
What action should I take if I am using an affected router version for CVE-2004-1540?
If using an affected version, immediately apply security best practices by disabling remote administration and securing your network.

agent/type
agent/softwarecombine
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/weakness
agent/severity
agent/references
agent/last-modified-date
agent/author
agent/event
agent/description
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
collector/nvd-historical
vendor/zyxel
canonical/zyxel prestige
version/zyxel prestige/645r_a1
version/zyxel prestige/650h
version/zyxel prestige/650hw
version/zyxel prestige/650hw_31
version/zyxel prestige/650r
canonical/zyxel zynos firmware
version/zyxel zynos firmware/3.40
version/zyxel zynos firmware/is.3
version/zyxel zynos firmware/is.5

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