CVE-2025-6599

🗓️ 18 Nov 2025 01:19:47Reported by ZyxelType

Uncontrolled resource usage in Zyxel DX3301-T0 web server enables Slowloris Denial Service on firmware up to five point fifty.

Reporter	Title	Published	Views	Family All 11
BDU FSTEC	The vulnerability of Zyxel 4G LTE/5G NR CPE and DSL/Ethernet CPE network devices’ web servers allows a hacker to cause service interruptions.	24 Dec 202500:00	–	bdu_fstec
Circl	CVE-2025-6599	18 Nov 202505:33	–	circl
CNNVD	Zyxel DX3301-T0 资源管理错误漏洞	18 Nov 202500:00	–	cnnvd
CNVD	Zyxel DX3301-T0 Resource Management Error Vulnerability	20 Nov 202500:00	–	cnvd
Cvelist	CVE-2025-6599	18 Nov 202501:19	–	cvelist
EUVD	EUVD-2025-197903	18 Nov 202501:19	–	euvd
NVD	CVE-2025-6599	18 Nov 202502:15	–	nvd
OSV	CVE-2025-6599	18 Nov 202502:15	–	osv
Positive Technologies	PT-2025-47236	18 Nov 202500:00	–	ptsecurity
RedhatCVE	CVE-2025-6599	19 Nov 202502:06	–	redhatcve

NVD

Node

AND

zyxel lte3301-plus_firmwareRange≤1.00(abqu.7)c0

zyxel lte3301-plusMatch-

Node

AND

zyxel nr5103_firmwareRange≤4.19(abyc.8)c0

zyxel nr5103Match-

Node

AND

zyxel nr5103e_firmwareRange≤1.00(acdj.1)c0

zyxel nr5103eMatch-

Node

AND

zyxel nr5309_firmwareRange≤1.00(ackp.1)b3

zyxel nr5309Match-

Node

AND

zyxel nr7302_firmwareRange≤5.00(acha.5)c0

zyxel nr7302Match-

Node

AND

zyxel nr7303_firmwareRange≤1.00(acei.1)c0

zyxel nr7303Match-

Node

AND

zyxel nebula_fwa505_firmwareRange≤1.19(acko.0)c0

zyxel nebula_fwa505Match-

Node

AND

zyxel nebula_fwa510_firmwareRange≤1.20(acgd.1)c0

zyxel nebula_fwa510Match-

Node

AND

zyxel nebula_fwa515_firmwareRange≤1.50(acpz.0)c0

zyxel nebula_fwa515Match-

Node

AND

zyxel nebula_fwa710_firmwareRange≤1.20(acgc.0)c0

zyxel nebula_fwa710Match-

Node

AND

zyxel dm4200-b0_firmwareRange≤5.17(acbs.1.3)c0

zyxel dm4200-b0Match-

Node

AND

zyxel dx3300-t0_firmwareRange≤5.50(abvy.6.3)c0

zyxel dx3300-t0Match-

Node

AND

zyxel dx3300-t1_firmwareRange≤5.50(abvy.6.3)c0

zyxel dx3300-t1Match-

Node

AND

zyxel dx3301-t0_firmwareRange≤5.50(abvy.6.3)c0

zyxel dx3301-t0Match-

Node

AND

zyxel dx4510-b1_firmwareRange≤5.17(abyl.9)c0

zyxel dx4510-b1Match-

Node

AND

zyxel dx5401-b0_firmwareRange≤5.17(abyo.7)b2

zyxel dx5401-b0Match-

Node

AND

zyxel dx5401-b1_firmwareRange≤5.17(abyo.7)b2

zyxel dx5401-b1Match-

Node

AND

zyxel ee3301-00_firmwareRange≤5.63(acmu.1.1)c0

zyxel ee3301-00Match-

Node

AND

zyxel ee5301-00_firmwareRange≤5.63(acld.1.1)c0

zyxel ee5301-00Match-

Node

AND

zyxel ee6510-10_firmwareRange≤5.19(acjq.3)c0

zyxel ee6510-10Match-

Node

AND

zyxel ex3300-t0_firmwareRange≤5.50(abvy.6.3)c0

zyxel ex3300-t0Match-

Node

AND

zyxel ex3300-t0_firmwareRange≤5.50(acdi.2.1)c0

zyxel ex3300-t0Match-

Node

AND

zyxel ex3300-t1_firmwareRange≤5.50(abvy.6.3)c0

zyxel ex3300-t1Match-

Node

AND

zyxel ex3301-t0_firmwareRange≤5.50(abvy.6.3)c0

zyxel ex3301-t0Match-

Node

AND

zyxel ex3500-t0_firmwareRange≤5.44(achr.4)c0

zyxel ex3500-t0Match-

Node

AND

zyxel ex3501-t0_firmwareRange≤5.44(achr.4)c0

zyxel ex3501-t0Match-

Node

AND

zyxel ex3600-t0_firmwareRange≤5.70(acif.1.2)c0

zyxel ex3600-t0Match-

Node

AND

zyxel ex5401-b0_firmwareRange≤5.17(abyo.7)b2

zyxel ex5401-b0Match-

Node

AND

zyxel ex5401-b1_firmwareRange≤5.17(abyo.7)b2

zyxel ex5401-b1Match-

Node

AND

zyxel ex5501-b0_firmwareRange≤5.17(abry.5.5)c0

zyxel ex5501-b0Match-

Node

AND

zyxel ex5510-b0_firmwareRange≤5.17(abqx.10)c0

zyxel ex5510-b0Match-

Node

AND

zyxel ex5512-t0_firmwareRange≤5.70(aceg.5)c0

zyxel ex5512-t0Match-

Node

AND

zyxel ex5601-t0_firmwareRange≤5.70(acdz.4.1)c0

zyxel ex5601-t0Match-

Node

AND

zyxel ex5601-t1_firmwareRange≤5.70(acdz.4.1)c0

zyxel ex5601-t1Match-

Node

AND

zyxel ex7501-b0_firmwareRange≤5.18(achn.2.1)c0

zyxel ex7501-b0Match-

Node

AND

zyxel ex7710-b0_firmwareRange≤5.18(acak.1.4)c0

zyxel ex7710-b0Match-

Node

AND

zyxel emg3525-t50b_firmwareRange≤5.50(abpm.9.5)c0

zyxel emg3525-t50bMatch-

Node

AND

zyxel emg5523-t50b_firmwareRange≤5.50(abpm.9.5)c0

zyxel emg5523-t50bMatch-

Node

AND

zyxel emg5723-t50k_firmwareRange≤5.50(abom.8.6)c0

zyxel emg5723-t50kMatch-

Node

AND

zyxel emg6726-b10a_firmwareRange≤5.13(abnp.8)c0

zyxel emg6726-b10aMatch-

Node

AND

zyxel gm4100-b0_firmwareRange≤5.18(accl.1)c0

zyxel gm4100-b0Match-

Node

AND

zyxel vmg3625-t50b_firmwareRange≤5.50(abpm.9.5)c0

zyxel vmg3625-t50bMatch-

Node

AND

zyxel vmg3927-b50b_firmwareRange≤5.13(ably.10)c0

zyxel vmg3927-b50bMatch-

Node

AND

zyxel vmg3927-t50k_firmwareRange≤5.50(abom.8.6)c0

zyxel vmg3927-t50kMatch-

Node

AND

zyxel vmg4005-b50a_firmwareRange≤5.17(abqa.3)c0

zyxel vmg4005-b50aMatch-

Node

AND

zyxel vmg4005-b60a_firmwareRange≤5.17(abqa.3)c0

zyxel vmg4005-b60aMatch-

Node

AND

zyxel vmg4005-b50b_firmwareRange≤5.13(abrl.5.3)c0

zyxel vmg4005-b50bMatch-

Node

AND

zyxel vmg4927-b50a_firmwareRange≤5.13(ably.10)c0

zyxel vmg4927-b50aMatch-

Node

AND

zyxel vmg8623-t50b_firmwareRange≤5.50(abpm.9.5)c0

zyxel vmg8623-t50bMatch-

Node

AND

zyxel vmg8825-t50k_firmwareRange≤5.50(abom.8.6)c0

zyxel vmg8825-t50kMatch-

Node

AND

zyxel ax7501-b0_firmwareRange≤5.17(abpc.6.1)c0

zyxel ax7501-b0Match-

Node

AND

zyxel ax7501-b1_firmwareRange≤5.17(abpc.6.1)c0

zyxel ax7501-b1Match-

Node

AND

zyxel pe3301-00_firmwareRange≤5.63(acmt.1.1)c0

zyxel pe3301-00Match-

Node

AND

zyxel pe5301-01_firmwareRange≤5.63(acoj.1.1)c0

zyxel pe5301-01Match-

Node

AND

zyxel pm3100-t0_firmwareRange≤5.42(acbf.3)c0

zyxel pm3100-t0Match-

Node

AND

zyxel pm5100-t0_firmwareRange≤5.42(acbf.3)c0

zyxel pm5100-t0Match-

Node

AND

zyxel pm7500-00_firmwareRange≤5.61(ackk.1)c0

zyxel pm7500-00Match-

Node

AND

zyxel pm7300-t0_firmwareRange≤5.42(abyy.3)c0

zyxel pm7300-t0Match-

Node

AND

zyxel px3321-t1_firmwareRange≤5.44(acjb.1.3)c0

zyxel px3321-t1Match-

Node

AND

zyxel px3321-t1_firmwareRange≤5.44(achk.1)c0

zyxel px3321-t1Match-

Node

AND

zyxel px5301-t0_firmwareRange≤5.44(ackb.0.4)c0

zyxel px5301-t0Match-

Node

AND

zyxel scr_50axe_firmwareRange≤1.10(acgn.3)c0

zyxel scr_50axeMatch-

Node

AND

zyxel we3300-00_firmwareRange≤5.70(acka.0)c0

zyxel we3300-00Match-

Node

AND

zyxel wx3100-t0_firmwareRange≤5.50(abvl.4.7)c0

zyxel wx3100-t0Match-

Node

AND

zyxel wx3401-b0_firmwareRange≤5.17(abve.2.8)c0

zyxel wx3401-b0Match-

Node

AND

zyxel wx3401-b1_firmwareRange≤5.17(abve.2.8)c0

zyxel wx3401-b1Match-

Node

AND

zyxel wx5600-t0_firmwareRange≤5.70(aceb.4.1)c0

zyxel wx5600-t0Match-

Node

AND

zyxel wx5610-b0_firmwareRange≤5.18(acgj.0.3)c0

zyxel wx5610-b0Match-

[
  {
    "defaultStatus": "unaffected",
    "product": "DX3301-T0 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "<= 5.50(ABVY.6.3)C0"
      }
    ]
  }
]

Source	Link
zyxel	www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumption-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-11-18-2025

17 Jun 2026 10:02Current

6.4Medium risk

Vulners AI Score6.4

CVSS 3.15.3 - 7.5

EPSS0.00305

SSVC

CWE-400