Actively exploited · Published Nov 27, 2024 · Assigned by Zyxel
CVE-2024-11667
High 7.5 Exploited Ransomware
In plain English
A high-severity path traversal in ATP series firmware from Zyxel. Attackers are actively exploiting it in the wild (listed by CISA on December 3, 2024). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 87% of all known vulnerabilities). Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Dec 24, 2024.
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | ATP series firmware | versions V5.00 through V5.38 |
| Zyxel | USG FLEX series firmware | versions V5.00 through V5.38 |
| Zyxel | USG FLEX 50(W) series firmware | versions V5.10 through V5.38 |
| Zyxel | USG20(W)-VPN series firmware | versions V5.10 through V5.38 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N