CVE-2008-1259 — The Zyxel P-2602HW-D1A router with 3.40(AJZ.1) firmware maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a user who previously authenticated within the previous 5 minutes

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HIGH

The Zyxel P-2602HW-D1A router with 3.40(AJZ.1) firmware maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a user who previously authenticated within the previous 5 minutes

Published Mar 10, 2008

9.3

HIGH

CVSS 2.0

EPSS 2.39%

Description

The Zyxel P-2602HW-D1A router with 3.40(AJZ.1) firmware maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a user who previously authenticated within the previous 5 minutes.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.39% 0.02389

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02389

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.39% (0.02389)	83.35th	v5 (v2026.06.15)
Jun 15, 2026	2.39% (0.02389)	81.72th	v5 (v2026.06.15)
Mar 17, 2025	0.27% (0.00273)	48.71th	v4 (v2025.03.14)
Dec 12, 2024	0.76% (0.00762)	81.84th	v3 (v2023.03.01)
Feb 8, 2024	0.60% (0.00599)	77.76th	v3 (v2023.03.01)
Mar 7, 2023	0.60% (0.00599)	75.12th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-287

Improper Authentication

References (3)

http://www.gnucitizen.org/projects/router-hacking-challenge/
x_refsource_MISCExploit
http://www.securityfocus.com/archive/1/489009/100/0/threaded
mailing-listx_refsource_BUGTRAQ
https://exchange.xforce.ibmcloud.com/vulnerabilities/41112
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.gnucitizen.org/projects/router-hacking-challenge/		x_refsource_MISCExploit
http://www.securityfocus.com/archive/1/489009/100/0/threaded		mailing-listx_refsource_BUGTRAQ
https://exchange.xforce.ibmcloud.com/vulnerabilities/41112		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Mar 10, 2008

Updated Aug 7, 2024

Reserved Mar 10, 2008

Link CVE-2008-1259

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2008-1259

Red Hat

Severity n/a

Public date n/a

Links CVE-2008-1259