CVE-2026-7255

Brute‑Force Authentication Vulnerability in Zyxel WRE6505 v2 Firmware

Published May 12, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
** 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Zyxel wre6505
CPEs cpe:2.3:h:zyxel:wre6505:v2:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:wre6505_firmware:v1.00\(abdv.3\)c0:*:*:*:*:*:*:*
Vendors & Products Zyxel wre6505
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Zyxel
Zyxel wre6505 Firmware
Vendors & Products Zyxel
Zyxel wre6505 Firmware
Type Values Removed Values Added
Title Brute‑Force Authentication Vulnerability in Zyxel WRE6505 v2 Firmware
Type Values Removed Values Added
Description ** 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.
Weaknesses CWE-307
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Zyxel
Published
Updated
May 12, 2026, 12:50 PM
Reserved
Apr 28, 2026, 2:06 AM
Status
Analyzed
Published
May 12, 2026, 4:16 AM
Modified
Oct 26, 2026, 6:10 PM