How many zyxel zywall vpn2s firmware CVEs are in CISA KEV?

None of zyxel zywall vpn2s firmware's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Are there public exploits for zyxel zywall vpn2s firmware vulnerabilities?

Yes — 1 of zyxel zywall vpn2s firmware's CVEs have a known public exploit.

Which versions of zyxel zywall vpn2s firmware are affected?

7 distinct zyxel zywall vpn2s firmware versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

What are the most common weakness types in zyxel zywall vpn2s firmware CVEs?

zyxel zywall vpn2s firmware's CVEs most often map to these CWE weakness types: CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-134 (Use of Externally-Controlled Format String), CWE-27 (Path Traversal: 'dir/../../filename').

What is the average severity of zyxel zywall vpn2s firmware CVEs?

The average CVSS base score across zyxel zywall vpn2s firmware's scored CVEs is 8.1.

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zyxel

9 CVEs

zyxel zywall vpn2s firmware Vulnerabilities

Name: zyxel zywall vpn2s firmware vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for zywall vpn2s firmware by zyxel.

9

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

1

Public exploits

PoC or exploit code

8.1

Avg CVSS

2021–2023

Last updated July 17, 2023

Overview

zyxel zywall vpn2s firmware has 9 published CVE records since 2021, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 1 have a known public exploit. The average CVSS base score across scored CVEs is 8.1.

This page aggregates every publicly disclosed vulnerability (CVE) affecting zyxel zywall vpn2s firmware, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list. Affected platforms include zywall vpn2s.

Severity and exploitation

How the CVSS severity of zyxel zywall vpn2s firmware's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical0

High8

Medium1

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of zyxel zywall vpn2s firmware's CVEs are currently listed in CISA's KEV catalog.

Public exploits

1

One of zyxel zywall vpn2s firmware's CVEs has a known public exploit available.

Affected versions and CVEs

Browse every zyxel zywall vpn2s firmware version named in a CVE, then pick one to see only the CVEs that affect it.

Version ranges

5.00 <= v < 5.374 CVEs
>= 1.12(ABLN.0)C02 CVEs
1.12(abln.0)c0 <= v <= 1.12(abln.0)c02 CVEs
4.20 <= v < 5.371 CVE
4.30 <= v < 5.371 CVE
4.60 <= v < 5.371 CVE

Fixed in

5.377 CVEs

Find a version

9 CVEs

Sort

High vulnerability · 2023-07-17
CVE-2023-34141
Patch
CWE-78
High · CVSS 8.0
EPSS 0.7% (49th pct)2023-07-17
Medium vulnerability · 2023-07-17
CVE-2023-34140
Patch
CWE-120
Medium · CVSS 6.5
EPSS 0.3% (22th pct)2023-07-17
High vulnerability · 2023-07-17
CVE-2023-34139
Patch
CWE-78
High · CVSS 8.8
EPSS 0.8% (52th pct)2023-07-17
High vulnerability · 2023-07-17
CVE-2023-34138
Patch
CWE-78
High · CVSS 8.0
EPSS 0.7% (49th pct)2023-07-17
High vulnerability · 2023-07-17
CVE-2023-33012
Public exploit
Patch
CWE-78
High · CVSS 8.8
EPSS 9.9% (95th pct)2023-07-17
High vulnerability · 2023-07-17
CVE-2023-33011
Patch
CWE-134
High · CVSS 8.8
EPSS 0.3% (27th pct)2023-07-17
High vulnerability · 2023-07-17
CVE-2023-28767
Patch
CWE-78
High · CVSS 8.8
EPSS 0.4% (33th pct)2023-07-17
High vulnerability · 2021-09-29
CVE-2021-35028CWE-78
High · CVSS 7.8
EPSS 0.3% (23th pct)2021-09-29
High vulnerability · 2021-09-29
CVE-2021-35027CWE-27
High · CVSS 7.5
EPSS 2.0% (79th pct)2021-09-29

Common weakness types

The CWE weakness categories most often found in zyxel zywall vpn2s firmware CVEs. Follow any weakness for its full explanation.

Disclosure activity by year

How many zyxel zywall vpn2s firmware CVEs were published each year.

2021

2

2023

7

Other zyxel products

Browse vulnerabilities for other products by zyxel.

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All zyxel vulnerabilities

Frequently asked questions

Common questions about zyxel zywall vpn2s firmware vulnerabilities.

How many CVEs does zyxel zywall vpn2s firmware have?: zyxel zywall vpn2s firmware has 9 published CVE records since 2021.
How many zyxel zywall vpn2s firmware CVEs are in CISA KEV?: None of zyxel zywall vpn2s firmware's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Are there public exploits for zyxel zywall vpn2s firmware vulnerabilities?: Yes — 1 of zyxel zywall vpn2s firmware's CVEs have a known public exploit.
Which versions of zyxel zywall vpn2s firmware are affected?: 7 distinct zyxel zywall vpn2s firmware versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in zyxel zywall vpn2s firmware CVEs?: zyxel zywall vpn2s firmware's CVEs most often map to these CWE weakness types: CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-134 (Use of Externally-Controlled Format String), CWE-27 (Path Traversal: 'dir/../../filename').
What is the average severity of zyxel zywall vpn2s firmware CVEs?: The average CVSS base score across zyxel zywall vpn2s firmware's scored CVEs is 8.1.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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