CVE-2023-34140

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
6.5MEDIUM
EPSS
0.1%
top 70.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
29
Zyxel USG 20w-vpn FirmwareZyxel USG 2200-vpn FirmwareZyxel USG Flex 100 Firmware+26 more
Timeline
PublishedJul 17

Description

A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthent…

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages31 packages

▶CVEListV5zyxel/usg_flex_series_firmware4.50 through 5.36 Patch 2
▶CVEListV5zyxel/usg_flex_50(w)_series_firmware4.16 through 5.36 Patch 2
▶CVEListV5zyxel/usg20(w)-vpn_series_firmware4.16 through 5.36 Patch 2
▶CVEListV5zyxel/atp_series_firmware4.32 through 5.36 Patch 2
▶CVEListV5zyxel/vpn_series_firmware4.30 through 5.36 Patch 2

🔴Vulnerability Details

2
GHSA
GHSA-65px-649g-rj37: A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4↗2023-07-17
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CVEList
CVE-2023-34140: A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4↗2023-07-17
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CVE-2023-34140 (MEDIUM CVSS 6.5) | A buffer overflow vulnerability in | cvebase.io