CVE-2023-22917

High

Description

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 FLEX 50(W) firmware versions 5.10 through 5.32, USG20(W)-VPN firmware versions 5.10 through 5.32, and VPN series firmware versions 5.00 through 5.35, which could allow a remote unauthenticated attacker to cause a core dump with a request error message on a vulnerable device by uploading a crafted configuration file.

SeverityHigh
CVSS7.5
Exploit probability—
ProductZyxel Usg Flex 100 Firmware
PublishedApr 24, 2023
First seenApr 24, 2023
Weakness typeCWE-120CWE-120

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
zyxel usg_flex_100_firmware5.00 ≤ v ≤ 5.32—
zyxel usg_flex_100w_firmware5.00 ≤ v ≤ 5.32—
zyxel usg_flex_200_firmware5.00 ≤ v ≤ 5.32—
zyxel usg_flex_50_firmware5.00 ≤ v ≤ 5.32—
zyxel usg_flex_50w_firmware5.10 ≤ v ≤ 5.32—
zyxel usg_flex_500_firmware5.00 ≤ v ≤ 5.32—
zyxel usg_flex_700_firmware5.00 ≤ v ≤ 5.32—
zyxel vpn100_firmware5.00 ≤ v ≤ 5.35—
zyxel vpn1000_firmware5.00 ≤ v ≤ 5.35—
zyxel vpn300_firmware5.00 ≤ v ≤ 5.35—
zyxel vpn50_firmware5.00 ≤ v ≤ 5.35—
zyxel usg_20w-vpn_firmware5.10 ≤ v ≤ 5.32—
zyxel atp100_firmware5.10 ≤ v ≤ 5.32—
zyxel atp100w_firmware5.10 ≤ v ≤ 5.32—
zyxel atp200_firmware5.10 ≤ v ≤ 5.32—
zyxel atp500_firmware5.10 ≤ v ≤ 5.32—
zyxel atp700_firmware5.10 ≤ v ≤ 5.32—
zyxel atp800_firmware5.10 ≤ v ≤ 5.32—

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