Description (CNA)
A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Zyxel / ATP series firmware | affected version 4.32 through 5.37 Patch 1 |
| Zyxel / USG FLEX series firmware | affected version 4.50 through 5.37 Patch 1 |
| Zyxel / USG FLEX 50(W) series firmware | affected version 4.16 through 5.37 Patch 1 |
| Zyxel / USG20(W)-VPN series firmware | affected version 4.16 through 5.37 Patch 1 |
CWE
CWE-134
References
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.