CVE-2023-22918
Description
A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, VPN series firmware versions 4.30 through 5.35, NWA110AX firmware version 6.50(ABTG.2) and earlier versions, WAC500 firmware version 6.50(ABVS.0) and earlier versions, and WAX510D firmware version 6.50(ABTF.2) and earlier versions, which could allow a remote authenticated attacker to retrieve encrypted information of the administrator on an affected device.
How to fix
- zyxel atp200_firmware5.36 or later
- zyxel atp100_firmware5.36 or later
- zyxel atp700_firmware5.36 or later
- zyxel atp500_firmware5.36 or later
- zyxel atp100w_firmware5.36 or later
- zyxel atp800_firmware5.36 or later
- zyxel usg_flex_100_firmware5.36 or later
- zyxel usg_flex_50_firmware5.36 or later
- zyxel usg_flex_200_firmware5.36 or later
- zyxel usg_flex_500_firmware5.36 or later
- zyxel usg_flex_700_firmware5.36 or later
- zyxel usg_flex_100w_firmware5.36 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zyxel nwa110ax_firmware | v ≤ 6.50\(abtg.2\) | — |
| zyxel atp200_firmware | 4.32 ≤ v < 5.36 | 5.36 |
| zyxel atp100_firmware | 4.32 ≤ v < 5.36 | 5.36 |
| zyxel atp700_firmware | 4.32 ≤ v < 5.36 | 5.36 |
| zyxel atp500_firmware | 4.32 ≤ v < 5.36 | 5.36 |
| zyxel atp100w_firmware | 4.32 ≤ v < 5.36 | 5.36 |
| zyxel atp800_firmware | 4.32 ≤ v < 5.36 | 5.36 |
| zyxel usg_flex_100_firmware | 4.50 ≤ v < 5.36 | 5.36 |
| zyxel usg_flex_50_firmware | 4.50 ≤ v < 5.36 | 5.36 |
| zyxel usg_flex_200_firmware | 4.50 ≤ v < 5.36 | 5.36 |
| zyxel usg_flex_500_firmware | 4.50 ≤ v < 5.36 | 5.36 |
| zyxel usg_flex_700_firmware | 4.50 ≤ v < 5.36 | 5.36 |
| zyxel usg_flex_100w_firmware | 4.50 ≤ v < 5.36 | 5.36 |
| zyxel usg_20w-vpn_firmware | 4.16 ≤ v < 5.36 | 5.36 |
| zyxel usg_flex_50w_firmware | 4.16 ≤ v < 5.36 | 5.36 |
| zyxel usg20-vpn_firmware | 4.30 ≤ v < 5.36 | 5.36 |
| zyxel vpn100_firmware | 4.30 ≤ v < 5.36 | 5.36 |
| zyxel vpn1000_firmware | 4.30 ≤ v < 5.36 | 5.36 |
| zyxel vpn300_firmware | 4.30 ≤ v < 5.36 | 5.36 |
| zyxel vpn50_firmware | 4.30 ≤ v < 5.36 | 5.36 |
| zyxel nap203_firmware | v ≤ 6.28\(abfa.0\) | — |
| zyxel nap303_firmware | v ≤ 6.28\(abex.0\) | — |
| zyxel nap353_firmware | v ≤ 6.28\(abey.0\) | — |
| zyxel nwa1123-ac_hd_firmware | v ≤ 6.25\(abin.9\) | — |
| zyxel nwa1123-ac-pro_firmware | v ≤ 6.28\(abhd.0\) | — |
| zyxel nwa1123acv3_firmware | v ≤ 6.50\(abvt.0\) | — |
| zyxel nwa210ax_firmware | v ≤ 6.50\(abtd.2\) | — |
| zyxel nwa220ax-6e_firmware | v ≤ 6.50\(acco.2\) | — |
| zyxel nwa50ax_firmware | v ≤ 6.55\(acge.1\) | — |
| zyxel nwa50ax-pro_firmware | v ≤ 6.50\(acge.0\) | — |
| zyxel nwa5123-ac_hd_firmware | v ≤ 6.25\(abim.9\) | — |
| zyxel nwa55axe_firmware | v ≤ 6.29\(abzl.1\) | — |
| zyxel nwa90ax_firmware | v ≤ 6.29\(accv.1\) | — |
| zyxel nwa90ax-pro_firmware | v ≤ 6.50\(acgf.0\) | — |
| zyxel wac500_firmware | v ≤ 6.50\(abvs.0\) | — |
| zyxel wac500h_firmware | v ≤ 6.50\(abwa.0\) | — |
| zyxel wac5302d-sv2_firmware | v ≤ 6.25\(abvz.9\) | — |
| zyxel wac6103d-i_firmware | v ≤ 6.28\(aaxh.0\) | — |
| zyxel wac6303d-s_firmware | v ≤ 6.25\(abgl.9\) | — |
| zyxel wac6502d-e_firmware | v ≤ 6.28\(aasd.0\) | — |
| zyxel wac6502d-s_firmware | v ≤ 6.28\(aase.0\) | — |
| zyxel wac6503d-s_firmware | v ≤ 6.28\(aasf.0\) | — |
| zyxel wac6552d-s_firmware | v ≤ 6.28\(abio.0\) | — |
| zyxel wac6553d-e_firmware | v ≤ 6.28\(aasg.0\) | — |
| zyxel wax510d_firmware | v ≤ 6.50\(abtf.2\) | — |
| zyxel wax610d_firmware | v ≤ 6.50\(abte.2\) | — |
| zyxel wax620d-6e_firmware | v ≤ 6.50\(accn.2\) | — |
| zyxel wax630s_firmware | v ≤ 6.50\(abzd.2\) | — |
| zyxel wax640s-6e_firmware | v ≤ 6.50\(accm.2\) | — |
| zyxel wax650s_firmware | v ≤ 6.50\(abrm.2\) | — |
| zyxel wax655e_firmware | v ≤ 6.50\(acdo.2\) | — |
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