UF
Product
USG FLEX 500 firmware
On CISA KEVExploited in the wild
34
CVEs
5
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 7High 18Medium 9Low 0
Watch
Add USG FLEX 500 firmware to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2023-34139 | 8.8 | Jul 17 | A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions… Affected: 4.50 before 5.37 |
| CVE-2023-33012 | 8.8 | Jul 17 | A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through… Affected: 5.00 before 5.37 |
| CVE-2023-33011 | 8.8 | Jul 17 | A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W)… Affected: 5.00 before 5.37 |
| CVE-2023-28767 | 8.8 | Jul 17 | The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, … Affected: 5.00 before 5.37 |
| CVE-2023-27991 | 8.8 | Apr 24 | The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through… Affected: 4.50 before 5.36 |
| CVE-2023-6764 | 8.1 | Feb 20 | 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… Affected: 4.50 before 5.37; 5.37; 5.37 |
| CVE-2023-22916 | 8.1 | Apr 24 | The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10… Affected: 5.00 through 5.35 |
| CVE-2023-22913 | 8.1 | Apr 24 | A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series… Affected: 4.50 through 5.35 |
| CVE-2023-34141 | 8.0 | Jul 17 | A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware… Affected: 5.00 before 5.37 |
| CVE-2023-34138 | 8.0 | Jul 17 | A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60… Affected: 4.60 before 5.37 |
| CVE-2022-30526 | 7.8 | Jul 19 | A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through… Affected: 4.50 through 5.30 |
| CVE-2022-26532 | 7.8 | May 24 | A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through… Affected: 4.50 through 5.21 |
| CVE-2022-26531 | 7.8 | May 24 | Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions… Affected: 4.50 through 5.21 |
| CVE-2023-22917 | 7.5 | Apr 24 | A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG… Affected: 5.00 through 5.32 |
| CVE-2023-22915 | 7.5 | Apr 24 | A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through… Affected: 4.50 through 5.35 |
| CVE-2023-6398 | 7.2 | Feb 20 | A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware… Affected: 4.50 before 5.37; 5.37; 5.37 |
| CVE-2023-22914 | 7.2 | Apr 24 | A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through… Affected: 4.50 through 5.35 |
| CVE-2022-38547 | 7.2 | Feb 7 | 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… Affected: 4.50 through 5.32 |
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