# Zyxel Multiple Firewalls vulnerabilities

Source: https://junglewise.ai/threats/technologies/multiple-firewalls  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/multiple-firewalls.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Zyxel Multiple Firewalls: 0 in the last 7 days and 0 in the last 90 days, 5 of them critical and 5 exploited in the wild. The most recent, CVE-2024-11667, was published on 3 December 2024.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (5 critical, 5 exploited in the wild)

## About Zyxel Multiple Firewalls

Suite of network security appliances that filter and monitor traffic between networks.

## Latest Zyxel Multiple Firewalls vulnerabilities

- [CVE-2024-11667: Zyxel Multiple Firewalls Path Traversal Vulnerability](https://junglewise.ai/threats/cve-2024-11667-zyxel-multiple-firewalls-path-traversal-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Dec 2024)
- [CVE-2023-33010: Zyxel Multiple Firewalls Buffer Overflow Vulnerability](https://junglewise.ai/threats/cve-2023-33010-zyxel-multiple-firewalls-buffer-overflow-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 5 Jun 2023)
- [CVE-2023-33009: Zyxel Multiple Firewalls Buffer Overflow Vulnerability](https://junglewise.ai/threats/cve-2023-33009-zyxel-multiple-firewalls-buffer-overflow-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 5 Jun 2023)
- [CVE-2023-28771: Zyxel Multiple Firewalls OS Command Injection Vulnerability](https://junglewise.ai/threats/cve-2023-28771-zyxel-multiple-firewalls-os-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 31 May 2023)
- [CVE-2022-30525: Zyxel Multiple Firewalls OS Command Injection Vulnerability](https://junglewise.ai/threats/cve-2022-30525-zyxel-multiple-firewalls-os-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 16 May 2022)

## Most severe Zyxel Multiple Firewalls vulnerabilities

- [CVE-2024-11667: Zyxel Multiple Firewalls Path Traversal Vulnerability](https://junglewise.ai/threats/cve-2024-11667-zyxel-multiple-firewalls-path-traversal-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 3 Dec 2024)
- [CVE-2023-33010: Zyxel Multiple Firewalls Buffer Overflow Vulnerability](https://junglewise.ai/threats/cve-2023-33010-zyxel-multiple-firewalls-buffer-overflow-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 5 Jun 2023)
- [CVE-2023-33009: Zyxel Multiple Firewalls Buffer Overflow Vulnerability](https://junglewise.ai/threats/cve-2023-33009-zyxel-multiple-firewalls-buffer-overflow-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 5 Jun 2023)
- [CVE-2023-28771: Zyxel Multiple Firewalls OS Command Injection Vulnerability](https://junglewise.ai/threats/cve-2023-28771-zyxel-multiple-firewalls-os-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 31 May 2023)
- [CVE-2022-30525: Zyxel Multiple Firewalls OS Command Injection Vulnerability](https://junglewise.ai/threats/cve-2022-30525-zyxel-multiple-firewalls-os-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 16 May 2022)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Zyxel technologies

- [Zyxel Firewalls](https://junglewise.ai/threats/technologies/firewalls): 5 vulnerabilities
- [Zyxel AX7501-B1 firmware](https://junglewise.ai/threats/technologies/ax7501-b1-firmware): 3 vulnerabilities
- [Zyxel DX3300-T0](https://junglewise.ai/threats/technologies/dx3300-t0): 3 vulnerabilities
- [Zyxel EX3501-T0](https://junglewise.ai/threats/technologies/ex3501-t0): 3 vulnerabilities
- [Zyxel Nebula FWA515](https://junglewise.ai/threats/technologies/nebula-fwa515): 3 vulnerabilities
- [Zyxel VMG4005-B50B](https://junglewise.ai/threats/technologies/vmg4005-b50b): 3 vulnerabilities
- [Zyxel Wre6505](https://junglewise.ai/threats/technologies/wre6505): 3 vulnerabilities
- [Zyxel Wre6505 Firmware](https://junglewise.ai/threats/technologies/wre6505-firmware): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Zyxel Multiple Firewalls vulnerabilities", https://junglewise.ai/threats/technologies/multiple-firewalls, 9 November 2026.