CVE-2024-11667
Zyxel · published 2024-11-27
Source record Collected from the National Vulnerability Database (NVD)
CISA Known Exploited Vulnerabilities
CISA lists this CVE as known exploited (added 2024-12-03).
- CISA's name for it: Zyxel Multiple Firewalls Path Traversal Vulnerability
- CISA's description: Multiple Zyxel firewalls contain a path traversal vulnerability in the web management interface that could allow an attacker to download or upload files via a crafted URL.
- Known ransomware campaign use, per CISA: Known
Source: CISA KEV catalog (CC0 1.0).
Description
Description by Zyxel Corporation via the CVE Program.
A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.
Status at the source
- NVD status: Analyzed
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | ATP series firmware | versions V5.00 through V5.38: affected |
| Zyxel | USG FLEX series firmware | versions V5.00 through V5.38: affected |
| Zyxel | USG FLEX 50(W) series firmware | versions V5.10 through V5.38: affected |
| Zyxel | USG20(W)-VPN series firmware | versions V5.10 through V5.38: affected |
Added by CISA-ADP (Authorized Data Publisher)
| Vendor | Product | Versions |
|---|---|---|
| zyxel | usg_flex_firmware | 5.00 – 5.38 and earlier: affected |
| zyxel | atp_firmware | 5.00 – 5.38 and earlier: affected |
| zyxel | usg20-vpn_firmware | 5.10 – 5.38 and earlier: affected |
| zyxel | usg_flex_50w_firmware | 5.10 – before 5.38: affected |
Products named in NVD's CPE match criteria (1)
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 7.5 HIGH — as published by Zyxel Corporation (Secondary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1: 9.8 CRITICAL — as published by NIST (Primary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: active · Automatable: yes · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-11667
Source dates: published 2024-11-27, last changed 2026-08-05. DeSpy's copy of this version is dated 2026-09-28.
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