Is CVE-2008-1522 being actively exploited?

CVE-2008-1522 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-1522?

CVE-2008-1522 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2008-1522

HIGH · CVSS 7.5EPSS 1.4%EU EUVD

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.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-16
EPSS score: 1.4% (72th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-1523)
Published: March 26, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-1523 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

zyxel / prestige 660
zyxel / prestige 660
zyxel / prestige 661
zyxel / zynos
zyxel / zynos
zyxel / zynos
zyxel / zynos
zyxel / zynos
zyxel / zynos

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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