CVE-2025-6599
Last modified
CVE-2025-6599 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Lte3301-Plus Firmware | <= 1.00\(abqu.7\)c0 |
| Zyxel | Nr5103 Firmware | <= 4.19\(abyc.8\)c0 |
| Zyxel | Nr5103e Firmware | <= 1.00\(acdj.1\)c0 |
| Zyxel | Nr5309 Firmware | <= 1.00\(ackp.1\)b3 |
| Zyxel | Nr7302 Firmware | <= 5.00\(acha.5\)c0 |
| Zyxel | Nr7303 Firmware | <= 1.00\(acei.1\)c0 |
| Zyxel | Nebula Fwa505 Firmware | <= 1.19\(acko.0\)c0 |
| Zyxel | Nebula Fwa510 Firmware | <= 1.20\(acgd.1\)c0 |
| Zyxel | Nebula Fwa515 Firmware | <= 1.50\(acpz.0\)c0 |
| Zyxel | Nebula Fwa710 Firmware | <= 1.20\(acgc.0\)c0 |
| Zyxel | Dm4200-B0 Firmware | <= 5.17\(acbs.1.3\)c0 |
| Zyxel | Dx3300-T0 Firmware | <= 5.50\(abvy.6.3\)c0 |
| Zyxel | Dx3300-T1 Firmware | <= 5.50\(abvy.6.3\)c0 |
| Zyxel | Dx3301-T0 Firmware | <= 5.50\(abvy.6.3\)c0 |
| Zyxel | Dx4510-B1 Firmware | <= 5.17\(abyl.9\)c0 |
| Zyxel | Dx5401-B0 Firmware | <= 5.17\(abyo.7\)b2 |
| Zyxel | Dx5401-B1 Firmware | <= 5.17\(abyo.7\)b2 |
| Zyxel | Ee3301-00 Firmware | <= 5.63\(acmu.1.1\)c0 |
| Zyxel | Ee5301-00 Firmware | <= 5.63\(acld.1.1\)c0 |
| Zyxel | Ee6510-10 Firmware | <= 5.19\(acjq.3\)c0 |
| Zyxel | Ex3300-T0 Firmware | <= 5.50\(abvy.6.3\)c0 |
| Zyxel | Ex3300-T0 Firmware | <= 5.50\(acdi.2.1\)c0 |
| Zyxel | Ex3300-T1 Firmware | <= 5.50\(abvy.6.3\)c0 |
| Zyxel | Ex3301-T0 Firmware | <= 5.50\(abvy.6.3\)c0 |
| Zyxel | Ex3500-T0 Firmware | <= 5.44\(achr.4\)c0 |
| Zyxel | Ex3501-T0 Firmware | <= 5.44\(achr.4\)c0 |
| Zyxel | Ex3600-T0 Firmware | <= 5.70\(acif.1.2\)c0 |
| Zyxel | Ex5401-B0 Firmware | <= 5.17\(abyo.7\)b2 |
| Zyxel | Ex5401-B1 Firmware | <= 5.17\(abyo.7\)b2 |
| Zyxel | Ex5501-B0 Firmware | <= 5.17\(abry.5.5\)c0 |
| Zyxel | Ex5510-B0 Firmware | <= 5.17\(abqx.10\)c0 |
| Zyxel | Ex5512-T0 Firmware | <= 5.70\(aceg.5\)c0 |
| Zyxel | Ex5601-T0 Firmware | <= 5.70\(acdz.4.1\)c0 |
| Zyxel | Ex5601-T1 Firmware | <= 5.70\(acdz.4.1\)c0 |
| Zyxel | Ex7501-B0 Firmware | <= 5.18\(achn.2.1\)c0 |
| Zyxel | Ex7710-B0 Firmware | <= 5.18\(acak.1.4\)c0 |
| Zyxel | Emg3525-T50b Firmware | <= 5.50\(abpm.9.5\)c0 |
| Zyxel | Emg5523-T50b Firmware | <= 5.50\(abpm.9.5\)c0 |
| Zyxel | Emg5723-T50k Firmware | <= 5.50\(abom.8.6\)c0 |
| Zyxel | Emg6726-B10a Firmware | <= 5.13\(abnp.8\)c0 |
| Zyxel | Gm4100-B0 Firmware | <= 5.18\(accl.1\)c0 |
| Zyxel | Vmg3625-T50b Firmware | <= 5.50\(abpm.9.5\)c0 |
| Zyxel | Vmg3927-B50b Firmware | <= 5.13\(ably.10\)c0 |
| Zyxel | Vmg3927-T50k Firmware | <= 5.50\(abom.8.6\)c0 |
| Zyxel | Vmg4005-B50a Firmware | <= 5.17\(abqa.3\)c0 |
| Zyxel | Vmg4005-B60a Firmware | <= 5.17\(abqa.3\)c0 |
| Zyxel | Vmg4005-B50b Firmware | <= 5.13\(abrl.5.3\)c0 |
| Zyxel | Vmg4927-B50a Firmware | <= 5.13\(ably.10\)c0 |
| Zyxel | Vmg8623-T50b Firmware | <= 5.50\(abpm.9.5\)c0 |
| Zyxel | Vmg8825-T50k Firmware | <= 5.50\(abom.8.6\)c0 |
Showing 50 of 68 affected configurations. See NVD for the full list.
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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