CVE-2026-7256

Description

** 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.

PUBLISHED Reserved 2026-04-28 | Published 2026-05-12 | Updated 2026-05-12 | Assigner Zyxel

Problem types

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

Product status

References

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

cve.org (CVE-2026-7256)

nvd.nist.gov (CVE-2026-7256)

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