Vulnerability Monitor

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CVE-2023-28771

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

Published

2023-04-25T02:15:08.743

Last Modified

2025-03-13T16:16:59.950

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses
  • Type: Secondary
    CWE-78
  • Type: Primary
    CWE-78
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zyxel atp100_firmware < 5.36 Yes
Hardware zyxel atp100 - No
Operating System zyxel atp100w_firmware < 5.35 Yes
Hardware zyxel atp100w - No
Operating System zyxel atp200_firmware < 5.36 Yes
Hardware zyxel atp200 - No
Operating System zyxel atp500_firmware < 5.36 Yes
Hardware zyxel atp500 - No
Operating System zyxel atp700_firmware < 5.36 Yes
Hardware zyxel atp700 - No
Operating System zyxel atp800_firmware < 5.36 Yes
Hardware zyxel atp800 - No
Operating System zyxel usg_flex_100_firmware < 5.36 Yes
Hardware zyxel usg_flex_100 - No
Operating System zyxel usg_flex_100w_firmware < 5.36 Yes
Hardware zyxel usg_flex_100w - No
Operating System zyxel usg_flex_200_firmware < 5.36 Yes
Hardware zyxel usg_flex_200 - No
Operating System zyxel usg_flex_50_firmware < 5.36 Yes
Hardware zyxel usg_flex_50 - No
Operating System zyxel usg_flex_500_firmware < 5.36 Yes
Hardware zyxel usg_flex_500 - No
Operating System zyxel usg_flex_50w_firmware < 5.36 Yes
Hardware zyxel usg_flex_50w - No
Operating System zyxel usg_flex_700_firmware < 5.36 Yes
Hardware zyxel usg_flex_700 - No
Operating System zyxel vpn100_firmware < 5.36 Yes
Hardware zyxel vpn100 - No
Operating System zyxel vpn1000_firmware < 5.36 Yes
Hardware zyxel vpn1000 - No
Operating System zyxel vpn300_firmware < 5.36 Yes
Hardware zyxel vpn300 - No
Operating System zyxel vpn50_firmware < 5.36 Yes
Hardware zyxel vpn50 - No
Operating System zyxel zywall_usg_310_firmware < 4.73 Yes
Operating System zyxel zywall_usg_310_firmware 4.73 Yes
Hardware zyxel zywall_usg_310 - No
Operating System zyxel zywall_usg_100_firmware < 4.73 Yes
Operating System zyxel zywall_usg_100_firmware 4.73 Yes
Hardware zyxel zywall_usg_100 - No
References