Medium severity5.9NVD Advisory· Published Aug 15, 2018· Updated Jun 17, 2026
CVE-2018-9129
CVE-2018-9129
Description
ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18- cpe:2.3:o:zyxel:usg_1100_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_110_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_1900_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_20w-vpn_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_20w_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_2200-vpn_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_310_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_40_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_40w_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_60_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:usg_60w_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_1100_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_110_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_310_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn_100_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn_300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:zyxel:zywall_vpn_50_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
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