Vulnerability Intelligence Report
CVE-2018-9129
ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.
No Active Exploit Signals
CVSS Base Score
5.9
MEDIUM
EPSS Probability:0.97%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| zyxel | zywall_110_firmware | all |
| zyxel | zywall_110 | all |
| zyxel | zywall_1100_firmware | all |
| zyxel | zywall_1100 | all |
| zyxel | zywall_310_firmware | all |
| zyxel | zywall_310 | all |
| zyxel | zywall_vpn_50_firmware | all |
| zyxel | zywall_vpn_50 | all |
| zyxel | zywall_vpn_100_firmware | all |
| zyxel | zywall_vpn_100 | all |
| zyxel | zywall_vpn_300_firmware | all |
| zyxel | zywall_vpn_300 | all |
| zyxel | usg_20w_firmware | all |
| zyxel | usg_20w | all |
| zyxel | usg_40_firmware | all |
| zyxel | usg_40 | all |
| zyxel | usg_40w_firmware | all |
| zyxel | usg_40w | all |
| zyxel | usg_60_firmware | all |
| zyxel | usg_60 | all |
| zyxel | usg_60w_firmware | all |
| zyxel | usg_60w | all |
| zyxel | usg_110_firmware | all |
| zyxel | usg_110 | all |
| zyxel | usg_2200-vpn_firmware | all |
| zyxel | usg_2200-vpn | all |
| zyxel | usg_310_firmware | all |
| zyxel | usg_310 | all |
| zyxel | usg_1100_firmware | all |
| zyxel | usg_1100 | all |
| zyxel | usg_1900_firmware | all |
| zyxel | usg_1900 | all |
| zyxel | usg_20w-vpn_firmware | all |
| zyxel | usg_20w-vpn | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.965%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2018-03-30T00:00:00 |
| Published | 2018-08-15T18:00:00 |
| Patch Date | 2018-08-13 |
| Last Updated | 2024-08-05T07:17:51 |
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