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Zyxel WRE6505 v2 CVE-2026-7256

| EUVD-2026-29376 HIGH
OS Command Injection (CWE-78)
2026-05-12 Zyxel GHSA-c7j6-24cr-x2rf
Command Injection Zyxel
8.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
May 12, 2026 - 04:30 vuln.today
CVE Published
May 12, 2026 - 03:25 nvd
HIGH 8.8

DescriptionNVD

UNSUPPORTED WHEN ASSIGNED A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.

AnalysisAI

Command injection in Zyxel WRE6505 v2 firmware V1.00(ABDV.3)C0 allows unauthenticated adjacent network attackers to execute arbitrary operating system commands via crafted HTTP requests to the CGI interface. This vulnerability affects an end-of-life product with no vendor support, meaning no security patches will be released. …

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RemediationAI

Within 24 hours: Inventory all WRE6505 v2 devices in your environment and identify their network locations. Within 7 days: Implement network segmentation to isolate WRE6505 v2 devices on a separate VLAN with restricted access to critical resources, or disconnect units pending replacement. …

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CVE-2026-7256 vulnerability details – vuln.today
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