CVE-2008-1523

Name: CVE-2008-1523
Creator: NVD / NIST
Published: 2008-03-26T10:44:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.22%

Last modified Jun 16, 2026

CVE-2008-1523 is a vulnerability of currently unknown severity. ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to obtain ISP and Dynamic DNS credentials by sending a direct request for (1) WAN.html, (2) wzPPPOE.html, and (3) rpDyDNS.html, and then reading the HTML source.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to obtain ISP and Dynamic DNS credentials by sending a direct request for (1) WAN.html, (2) wzPPPOE.html, and (3) rpDyDNS.html, and then reading the HTML source.

Metrics

EPSS Probability

1.22%

64.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions	Update
Zyxel	Prestige 660	h-d1	—
Zyxel	Prestige 660	h-d3	—
Zyxel	Prestige 661	hw-d1	—
Zyxel	Zynos	3.40	Agd.2

References

Timeline

Published: Mar 26, 2008
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-1523?

How severe is CVE-2008-1523?

Severity scoring for CVE-2008-1523 is pending analysis. The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.

How do I fix CVE-2008-1523?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-1523?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST