Is CVE-2008-1521 being actively exploited?

CVE-2008-1521 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-1521?

CVE-2008-1521 has a CVSS 2.0 base score of 6.5 (MEDIUM).

CVE-2008-1521

MEDIUM · CVSS 6.5EPSS 1.1%EU EUVD

ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to gain privileges by accessing administrative URIs, as demonstrated by rpSysAdmin.html.

Key facts

CVSS score: 6.5 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 1.1% (66th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-1522)
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-2008-1522 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

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain