AUGUST 4, 2026
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Case File

CVE-2023-22915

HIGH · CVSS 7.5 EPSS 1.05%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-04-24 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2023-22915
Severity
HIGH
CVSS
7.5
EPSS
1.05%

Original NVD Description

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.