How severe is CVE-2007-4316?

CVE-2007-4316 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-4316 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4316?

CVE-2007-4316 primarily affects Zyxel Zynos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-4316?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-4316 published?

CVE-2007-4316 was published on 2007-08-13 and last updated on 2026-06-16.

CVE-2007-4316

CVE-2007-4316 is a medium-severity vulnerability in Zyxel Zynos with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zyxel Zynos
Published: 2007-08-13
Last modified: 2026-06-16

Description

The management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device has a certain default password, which allows remote attackers to perform administrative actions.

Frequently asked questions

What is CVE-2007-4316?: The management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device has a certain default password, which allows remote attackers to perform administrative actions.
How severe is CVE-2007-4316?: CVE-2007-4316 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-4316 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4316?: CVE-2007-4316 primarily affects Zyxel Zynos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-4316?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4316 published?: CVE-2007-4316 was published on 2007-08-13 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:h:zyxel:zynos:3.62:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_2:*:*:*:*:*:*:*:*

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