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Description

A null pointer dereference vulnerability in the account settings CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request.

PUBLISHED Reserved 2025-10-16 | Published 2026-02-24 | Updated 2026-02-24 | Assigner Zyxel




MEDIUM: 4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-476 NULL Pointer Dereference

Product status

Default status
unaffected

<= 5.50(ABPM.9.6)C0
affected

Default status
unaffected

<= 5.50(ABVL.4.8)C0
affected

References

www.zyxel.com/...y-routers-and-wireless-extenders-02-24-2026 vendor-advisory

cve.org (CVE-2025-11846)

nvd.nist.gov (CVE-2025-11846)

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