How severe is CVE-2008-3494?

CVE-2008-3494 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-3494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3494?

CVE-2008-3494 affects 8e6 R3000 Internet Filter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-3494?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-3494 published?

CVE-2008-3494 was published on 2008-08-06 and last updated on 2026-06-16.

CVE-2008-3494

CVE-2008-3494 is a high-severity vulnerability in 8e6 R3000 Internet Filter with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: 8e6 R3000 Internet Filter
Published: 2008-08-06
Last modified: 2026-06-16

Description

8e6 R3000 Internet Filter 2.0.12.10 allows remote attackers to bypass intended restrictions via an extra HTTP Host header with additional leading text placed before the real Host header.

Frequently asked questions

What is CVE-2008-3494?: 8e6 R3000 Internet Filter 2.0.12.10 allows remote attackers to bypass intended restrictions via an extra HTTP Host header with additional leading text placed before the real Host header.
How severe is CVE-2008-3494?: CVE-2008-3494 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-3494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3494?: CVE-2008-3494 affects 8e6 R3000 Internet Filter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-3494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-3494 published?: CVE-2008-3494 was published on 2008-08-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:8e6:r3000_internet_filter:2.0.12.10:*:*:*:*:*:*:*

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