CVE-2026-7255 PUBLISHED

Assigner: Zyxel
Reserved: 28.04.2026 Published: 12.05.2026 Updated: 12.05.2026

** 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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 6.5

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Zyxel
Product	WRE6505 v2 firmware
Versions	Default: unaffected Version V1.00(ABDV.3)C0 is affected

References

https://www.zyxel.com/global/en/support/end-of-life

Problem Types

CWE-307 Improper restriction of excessive authentication attempts CWE