CVE-2026-7255: Medium severity Zyxel WRE6505 v2 vulnerability

Published May 12, 2026
·
Updated

UNSUPPORTED WHEN ASSIGNED An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication.

Affected Software

3 affected components
Zyxel WRE6505 v2=V1.00(ABDV.3)C0
All of the following
Zyxel Wre6505 Firmware=v1.00\(abdv.3\)c0
Zyxel WRE6505=v2

Event History

May 12, 2026
CVE Published
via MITRE·03:22 AM
Data Sourced
via MITRE·03:22 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-7255?

The severity of CVE-2026-7255 is considered critical due to its potential for allowing unauthorized access.

2

How do I fix CVE-2026-7255?

To mitigate CVE-2026-7255, it is recommended to upgrade to a supported firmware version or implement network segmentation to limit LAN access.

3

Who is affected by CVE-2026-7255?

CVE-2026-7255 affects users of the Zyxel WRE6505 v2 running firmware version V1.00(ABDV.3)C0.

4

What type of vulnerability is CVE-2026-7255?

CVE-2026-7255 is classified as an improper restriction of excessive authentication attempts vulnerability.

5

Can CVE-2026-7255 be exploited remotely?

CVE-2026-7255 requires an adjacent attacker on the LAN to exploit the vulnerability, as it cannot be exploited remotely.

Contact

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