Medium 4.9Published Feb 23, 2026

CVE-2025-11846A 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 5.5…

Updated under an hour ago (Oct 27, 2026, 7:40 PM ET)

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Every CVE for Zyxel VMG3625-T50B firmware

Exploited in the last 30 days

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.

CVSS: 4.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Zyxel
NVD analysis: Analyzed
Record last updated: Feb 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Zyxel VMG3625-T50B firmware zyxel:vmg3625_t50b_firmware (from the name)	through 5.50(ABPM.9.6)C0	CNA record
Zyxel WX3100-T0 firmware zyxel:wx3100_t0_firmware (from the name)	through 5.50(ABVL.4.8)C0	CNA record
zyxel lte3301-plus_firmware zyxel:lte3301-plus_firmware	before 1.00\(abqu.9\)c0	NVD
zyxel nebula_fwa505_firmware zyxel:nebula_fwa505_firmware	before 1.60\(acko.2\)v0	NVD
zyxel nebula_fwa510_firmware zyxel:nebula_fwa510_firmware	before 1.60\(acgd.0\)c0	NVD
zyxel nebula_fwa515_firmware zyxel:nebula_fwa515_firmware	before 1.60\(acpz.0\)v0	NVD
zyxel nebula_fwa710_firmware zyxel:nebula_fwa710_firmware	before 1.60\(acgc.1\)v0	NVD
zyxel ee5301-00_firmware zyxel:ee5301-00_firmware	before 5.63\(acld.2.1\)c0	NVD
zyxel ee3301-00_firmware zyxel:ee3301-00_firmware	before 5.63\(acmu.2.1\)c0	NVD
zyxel dx5401-b1_firmware zyxel:dx5401-b1_firmware	before 5.17\(abyo.7.1\)c0	NVD
1–10 of 56

References

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.