A null pointer dereference vulnerability in the certificate downloader 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.
History

Tue, 24 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 24 Feb 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Zyxel
Zyxel vmg3625-t50b Firmware
Zyxel wx3100-t0 Firmware
Vendors & Products Zyxel
Zyxel vmg3625-t50b Firmware
Zyxel wx3100-t0 Firmware

Tue, 24 Feb 2026 02:00:00 +0000

Type Values Removed Values Added
Description A null pointer dereference vulnerability in the certificate downloader 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.
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2026-02-24T01:30:50.433Z

Updated: 2026-02-24T16:12:02.942Z

Reserved: 2025-10-16T09:30:58.346Z

Link: CVE-2025-11845

cve-icon Vulnrichment

Updated: 2026-02-24T16:11:54.652Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-24T02:15:59.810

Modified: 2026-02-24T14:13:49.320

Link: CVE-2025-11845

cve-icon Redhat

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