CVE-2008-1522: High severity zyxel zynos firmware vulnerability

Published Mar 26, 2008
·
Updated

ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), have (1) "user" as their default password for the "user" account and (2) "1234" as their default password for the "admin" account, which makes it easier for remote attackers to obtain access.

Affected Software

9 affected components
Zyxel ZyNOS=3.40-ahq.0
Zyxel ZyNOS=3.40-agl.3
Zyxel ZyNOS=3.40-ahq.3
Zyxel ZyNOS=3.40-ahz.0
Zyxel Prestige 661=hw-d1
Zyxel Prestige 660=h-d3
Zyxel ZyNOS=3.40-atm.0
Zyxel Prestige 660=h-d1
Zyxel ZyNOS=3.40-agd.2

Event History

Mar 26, 2008
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2008-1522?

CVE-2008-1522 is considered a high severity vulnerability due to weak default passwords allowing unauthorized access.

2

How do I fix CVE-2008-1522?

To fix CVE-2008-1522, change the default passwords for the 'user' and 'admin' accounts to strong, unique passwords.

3

Which devices are affected by CVE-2008-1522?

CVE-2008-1522 affects ZyXEL Prestige routers including the P-660 and P-661 models with specific firmware versions.

4

What are the default passwords associated with CVE-2008-1522?

The default password for the 'user' account is 'user' and for the 'admin' account is '1234'.

5

Can CVE-2008-1522 be exploited remotely?

Yes, CVE-2008-1522 can be exploited remotely by attackers using the default passwords to gain access.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203