CVE-2008-1255
The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote...
The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a previously authenticated user.
Exploit likelihood
What each source reports
NVD Score used
The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a previously authenticated user.
- Record
CVE-2008-1255- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a previously authenticated user.
- Record
CVE-2008-1255- Updated
- 2026-11-02
EUVDEUVD-2008-1263 No score
The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a previously authenticated user.
- Record
EUVD-2008-1263- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-65mm-vp95-x59v No score
The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote...
The ZyXEL P-660HW series router maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a previously authenticated user.
- Record
GHSA-65mm-vp95-x59v- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-1255 is a high vulnerability (CVSS 10.0) in Zyxel P-660hw, published March 10, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.91%, the 90th percentile. No source names a fixed version.