CVE-2023-22915
published 2023-04-24CVE-2023-22915: 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…
high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
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 5.35, USG20(W)-VPN firmware versions 4.30 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote unauthenticated attacker to cause DoS conditions by sending a crafted HTTP request if the Facebook WiFi function were enabled on an affected device.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| zyxel | usg20_vpn_firmware | — | — |
| zyxel | usg_20w-vpn_firmware | 4.30 – 5.35 | — |
| zyxel | usg_flex_100_firmware | 4.50 – 5.35 | — |
| zyxel | usg_flex_100w_firmware | 4.50 – 5.35 | — |
| zyxel | usg_flex_200_firmware | 4.50 – 5.35 | — |
| zyxel | usg_flex_500_firmware | 4.50 – 5.35 | — |
| zyxel | usg_flex_50_firmware | — | — |
| zyxel | usg_flex_50_firmware | 4.50 – 5.35 | — |
| zyxel | usg_flex_50w_firmware | 4.30 – 5.35 | — |
| zyxel | usg_flex_700_firmware | 4.50 – 5.35 | — |
| zyxel | usg_flex_series_firmware | — | — |
| zyxel | vpn1000_firmware | 4.50 – 5.35 | — |
| zyxel | vpn100_firmware | 4.50 – 5.35 | — |
| zyxel | vpn300_firmware | 4.50 – 5.35 | — |
| zyxel | vpn50_firmware | 4.50 – 5.35 | — |
| zyxel | vpn_series_firmware | — | — |