CVE-2025-6599
An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an attacker to perform Slowloris‑style denial‑of‑service (DoS) attacks. Such attacks may temporarily block legitimate HTTP requests and partially disrupt access to the web management interface, while other networking services remain unaffected.
- CVSS 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-25)
- CWE
- CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zyxel:ax7501-b0_firmware
- zyxel:ax7501-b1_firmware
- zyxel:dm4200-b0_firmware
- zyxel:dx3300-t0_firmware
- zyxel:dx3300-t1_firmware
- zyxel:dx3301-t0_firmware
- zyxel:dx4510-b1_firmware
- zyxel:dx5401-b0_firmware
- zyxel:dx5401-b1_firmware
- zyxel:ee3301-00_firmware
- zyxel:ee5301-00_firmware
- zyxel:ee6510-10_firmware
- zyxel:emg3525-t50b_firmware
- zyxel:emg5523-t50b_firmware
- zyxel:emg5723-t50k_firmware
- zyxel:emg6726-b10a_firmware
- zyxel:ex3300-t0_firmware
- zyxel:ex3300-t1_firmware
- zyxel:ex3301-t0_firmware
- zyxel:ex3500-t0_firmware
- zyxel:ex3501-t0_firmware
- zyxel:ex3600-t0_firmware
- zyxel:ex5401-b0_firmware
- zyxel:ex5401-b1_firmware
- zyxel:ex5501-b0_firmware
- zyxel:ex5510-b0_firmware
- zyxel:ex5512-t0_firmware
- zyxel:ex5601-t0_firmware
- zyxel:ex5601-t1_firmware
- zyxel:ex7501-b0_firmware
- zyxel:ex7710-b0_firmware
- zyxel:gm4100-b0_firmware
- zyxel:lte3301-plus_firmware
- zyxel:nebula_fwa505_firmware
- zyxel:nebula_fwa510_firmware
- zyxel:nebula_fwa515_firmware
- zyxel:nebula_fwa710_firmware
- zyxel:nr5103_firmware
- zyxel:nr5103e_firmware
- zyxel:nr5309_firmware
- zyxel:nr7302_firmware
- zyxel:nr7303_firmware
- zyxel:pe3301-00_firmware
- zyxel:pe5301-01_firmware
- zyxel:pm3100-t0_firmware
- zyxel:pm5100-t0_firmware
- zyxel:pm7300-t0_firmware
- zyxel:pm7500-00_firmware
- zyxel:px3321-t1_firmware
- zyxel:px5301-t0_firmware