CVE-2023-6398

High

Description

A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1, NWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP.

SeverityHigh
CVSS7.2
Exploit probability—
ProductZyxel Nwa50ax Firmware
PublishedFeb 20, 2024
First seenFeb 20, 2024

How to fix

Update
  • zyxel nwa50ax_firmware6.29\(abyw.4\) or later
  • zyxel atp100_firmware5.37 or later
  • zyxel atp100w_firmware5.37 or later
  • zyxel atp200_firmware5.37 or later
  • zyxel atp500_firmware5.37 or later
  • zyxel atp700_firmware5.37 or later
  • zyxel atp800_firmware5.37 or later
  • zyxel usg_flex_100_firmware5.37 or later
  • zyxel usg_flex_100ax_firmware5.37 or later
  • zyxel usg_flex_100h_firmware5.37 or later
  • zyxel usg_flex_100w_firmware5.37 or later
  • zyxel usg_flex_200_firmware5.37 or later

Affected products

ProductAffected versionsFixed in
zyxel nwa50ax_firmwarev < 6.29\(abyw.4\)6.29\(abyw.4\)
zyxel atp100_firmware4.32 ≤ v < 5.37, 5.375.37
zyxel atp100w_firmware4.32 ≤ v < 5.37, 5.375.37
zyxel atp200_firmware4.32 ≤ v < 5.37, 5.375.37
zyxel atp500_firmware4.32 ≤ v < 5.37, 5.375.37
zyxel atp700_firmware4.32 ≤ v < 5.37, 5.375.37
zyxel atp800_firmware4.32 ≤ v < 5.37, 5.375.37
zyxel usg_flex_100_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_100ax_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_100h_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_100w_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_200_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_200h_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_200hp_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_50_firmware4.16 ≤ v < 5.37, 5.375.37
zyxel usg_flex_500_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_500h_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_50w_firmware4.16 ≤ v < 5.37, 5.375.37
zyxel usg_flex_700_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg_flex_700h_firmware4.50 ≤ v < 5.37, 5.375.37
zyxel usg20-vpn_firmware4.16 ≤ v < 5.37, 5.375.37
zyxel usg20w-vpn_firmware4.16 ≤ v < 5.37, 5.375.37
zyxel uos1.10—
zyxel nwa55axe_firmwarev < 6.29\(abzl.4\)6.29\(abzl.4\)
zyxel nwa90ax_firmwarev < 6.29\(accv.4\)6.29\(accv.4\)
zyxel nwa110ax_firmwarev < 6.70\(abtg.2\)6.70\(abtg.2\)
zyxel nwa210ax_firmwarev < 6.70\(abtd.2\)6.70\(abtd.2\)
zyxel nwa220ax-6e_firmwarev < 6.70\(acco.1\)6.70\(acco.1\)
zyxel nwa1123acv3_firmwarev < 6.70\(abvt.1\)6.70\(abvt.1\)
zyxel wac500_firmwarev < 6.70\(abvs.1\)6.70\(abvs.1\)
zyxel wac500h_firmwarev < 6.70\(abwa.1\)6.70\(abwa.1\)
zyxel wax300h_firmwarev < 6.70\(achf.1\)6.70\(achf.1\)
zyxel wax510d_firmwarev < 6.70\(abtf.2\)6.70\(abtf.2\)
zyxel wax610d_firmwarev < 6.70\(abte.2\)6.70\(abte.2\)
zyxel wax620d-6e_firmwarev < 6.70\(accn.1\)6.70\(accn.1\)
zyxel wax630s_firmwarev < 6.70\(abzd.2\)6.70\(abzd.2\)
zyxel wax640s-6e_firmwarev < 6.70\(accm.1\)6.70\(accm.1\)
zyxel wax650s_firmwarev < 6.70\(abrm.2\)6.70\(abrm.2\)
zyxel wax655e_firmwarev < 6.70\(acdo.1\)6.70\(acdo.1\)
zyxel wbe660s_firmwarev < 6.70\(acgg.2\)6.70\(acgg.2\)
zyxel nwa50ax-pro_firmwarev < 6.80\(acge.0\)6.80\(acge.0\)
zyxel nwa90ax-pro_firmwarev < 6.80\(acgf.0\)6.80\(acgf.0\)

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