GCVE - cpe:2.3:a:zyxel:zywall/usg_series_firmware:*:*:*:*:*:*:*:*

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cpe:2.3:a:zyxel:zywall/usg_series_firmware:*:*:*:*:*:*:*:*

part: a version: * update: *

Vendor	Zyxel (`d3fcf896-5708-55f8-8f74-3e19a9d55b89`)
Product	Zywall/Usg Series Firmware (`59260930-44f2-522d-b72b-5121da67354a`)
Edition	*
Language	*
Software edition	*
Target software	*
Target hardware	*
Other	*
Notes	Imported from gcve-enriched-dumps CVE data

PURL mappings

PURL	Source	Last updated
No PURL mappings for this CPE yet.

Vulnerability references

Identifier	cpeApplicability	Submitted	db.gcve.eu details	Rationale
`CVE:CVE-2023-33010`	vulnerable	2026-06-08 06:04:48.252056	Details available CRITICAL (9.8) A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device. Published: 2023-05-24T00:00:00.000Z Updated: 2025-10-21T23:05:47.497Z Open on db.gcve.eu Reference links https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2023-33009`	vulnerable	2026-06-08 06:04:48.184222	Details available CRITICAL (9.8) A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device. Published: 2023-05-24T00:00:00.000Z Updated: 2025-10-21T23:05:47.636Z Open on db.gcve.eu Reference links https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2023-28771`	vulnerable	2026-06-08 06:02:35.662419	Details available CRITICAL (9.8) 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: 2023-04-25T00:00:00.000Z Updated: 2025-10-21T23:05:48.400Z Open on db.gcve.eu Reference links https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls http://packetstormsecurity.com/files/172820/Zyxel-IKE-Packet-Decoder-Unauthenticated-Remote-Code-Execution.html	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2022-40603`	vulnerable	2026-06-08 05:48:27.672489	Details available MEDIUM (4.7) A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31, which could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. Then, the attacker could gain access to some browser-based information if the malicious script is executed on the victim’s browser. Published: 2022-12-06T00:00:00.000Z Updated: 2025-04-23T20:00:23.891Z Open on db.gcve.eu Reference links https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-in-firewalls	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2022-38547`	vulnerable	2026-06-08 05:47:16.608635	Details available HIGH (7.2) A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands. Published: 2023-02-07T00:00:00.000Z Updated: 2025-03-25T15:39:42.181Z Open on db.gcve.eu Reference links https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-rce-in-firewalls	Imported from gcve-enriched-dumps CVE data

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