How severe is CVE-2007-2039?

CVE-2007-2039 has a CVSS 2.0 base score of 6.1, rated medium severity.

Is CVE-2007-2039 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-2007-2039?

CVE-2007-2039 affects Cisco Wireless Lan Controller Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-2039?

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

When was CVE-2007-2039 published?

CVE-2007-2039 was published on 2007-04-16 and last updated on 2026-06-16.

CVE-2007-2039

CVE-2007-2039 is a medium-severity vulnerability in Cisco Wireless Lan Controller Software with a CVSS 2.0 base score of 6.1. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 6.1)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Wireless Lan Controller Software
Published: 2007-04-16
Last modified: 2026-06-16

Description

The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.171.5, 4.0.x before 4.0.206.0, and 4.1.x allows remote attackers on a local wireless network to cause a denial of service (loss of packet forwarding) via (1) crafted SNAP packets, (2) malformed 802.11 traffic, or (3) packets with certain header length values, aka Bug IDs CSCsg15901 and CSCsh10841.

Frequently asked questions

What is CVE-2007-2039?: The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.171.5, 4.0.x before 4.0.206.0, and 4.1.x allows remote attackers on a local wireless network to cause a denial of service (loss of packet forwarding) via (1) crafted SNAP packets, (2) malformed 802.11 traffic, or (3) packets with certain header length values, aka Bug IDs CSCsg15901 and CSCsh10841.
How severe is CVE-2007-2039?: CVE-2007-2039 has a CVSS 2.0 base score of 6.1, rated medium severity.
Is CVE-2007-2039 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-2007-2039?: CVE-2007-2039 affects Cisco Wireless Lan Controller Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-2039?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-2039 published?: CVE-2007-2039 was published on 2007-04-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*

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