CVE-2023-22915

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
7.5HIGH
EPSS
1.4%
top 19.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
16
Zyxel USG 20w-vpn FirmwareZyxel USG Flex 100 FirmwareZyxel USG Flex 100w Firmware+13 more
Timeline
PublishedApr 24
Latest updateJul 6

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages16 packages

▶CVEListV5zyxel/usg_flex_series_firmware4.50 through 5.35
▶NVDzyxel/usg_flex_50_firmware4.50 — 5.35
▶NVDzyxel/usg_flex_100_firmware4.50 — 5.35
▶NVDzyxel/usg_flex_200_firmware4.50 — 5.35
▶NVDzyxel/usg_flex_500_firmware4.50 — 5.35

🔴Vulnerability Details

2
GHSA
GHSA-qm4q-mvq2-gj2r: A buffer overflow vulnerability in the “fbwifi_forward↗2023-07-06
▶
CVEList
CVE-2023-22915: A buffer overflow vulnerability in the “fbwifi_forward↗2023-04-24
▶
CVE-2023-22915 (HIGH CVSS 7.5) | A buffer overflow vulnerability in | cvebase.io