How severe is CVE-2008-2636?

CVE-2008-2636 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-2636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2636?

CVE-2008-2636 affects Cisco Linksys Wrh54g Router. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-2636?

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-2008-2636 published?

CVE-2008-2636 was published on 2008-06-10 and last updated on 2026-06-16.

CVE-2008-2636

CVE-2008-2636 is a high-severity vulnerability in Cisco Linksys Wrh54g Router 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Linksys Wrh54g Router
Published: 2008-06-10
Last modified: 2026-06-16

Description

The HTTP service on the Cisco Linksys WRH54G with firmware 1.01.03 allows remote attackers to cause a denial of service (management interface outage) or possibly execute arbitrary code via a URI that begins with a "/./" sequence, contains many instances of a "front_page" sequence, and ends with a ".asp" sequence.

Frequently asked questions

What is CVE-2008-2636?: The HTTP service on the Cisco Linksys WRH54G with firmware 1.01.03 allows remote attackers to cause a denial of service (management interface outage) or possibly execute arbitrary code via a URI that begins with a "/./" sequence, contains many instances of a "front_page" sequence, and ends with a ".asp" sequence.
How severe is CVE-2008-2636?: CVE-2008-2636 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-2636 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2636?: CVE-2008-2636 affects Cisco Linksys Wrh54g Router. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2636?: 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-2008-2636 published?: CVE-2008-2636 was published on 2008-06-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:cisco:linksys_wrh54g_router:1.01.03:*:*:*:*:*:*:*

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