CVE-2023-330099.8CriticalCWE-120

CVE-2023-33009: Zyxel ATP series firmware vulnerability

Zyxel · ATP series firmware

Affected: Zyxel ATP series firmware · Exploitation: in CISA KEV since 5 Jun 2023

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue5 Jun 2023
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

28.1%probability of exploitation in the next 30 days

98th percentile

050100

Higher than 98% of scored CVEs

9.8CriticalCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.

Affected products6

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Zyxel · ATP series firmware4.60 through 5.36 Patch 1
Zyxel · USG FLEX series firmware4.60 through 5.36 Patch 1
Zyxel · USG FLEX 50(W) firmware4.60 through 5.36 Patch 1
Zyxel · USG20(W)-VPN firmware4.60 through 5.36 Patch 1
Zyxel · VPN series firmware4.60 through 5.36 Patch 1
Zyxel · ZyWALL/USG series firmware4.60 through 4.73 Patch 1

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 5 Jun 2023 · catalogue entry
Public check: No public nuclei template
Weakness: Classic Buffer Overflow · Memory Corruption
Vendor: Zyxel
Published: May 2023
Band: Exploited in the wild, May 2023

What changed

5 Jun 2023
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2023-33009 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.