How severe is CVE-2007-2831?

CVE-2007-2831 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-2831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-2831?

CVE-2007-2831 primarily affects Madwifi. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-2831?

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

When was CVE-2007-2831 published?

CVE-2007-2831 was published on 2007-05-24 and last updated on 2026-06-16.

CVE-2007-2831

CVE-2007-2831 is a critical-severity vulnerability in Madwifi with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Madwifi
Published: 2007-05-24
Last modified: 2026-06-16

Description

Array index error in the (1) ieee80211_ioctl_getwmmparams and (2) ieee80211_ioctl_setwmmparams functions in net80211/ieee80211_wireless.c in MadWifi before 0.9.3.1 allows local users to cause a denial of service (system crash), possibly obtain kernel memory contents, and possibly execute arbitrary code via a large negative array index value.

Frequently asked questions

What is CVE-2007-2831?: Array index error in the (1) ieee80211_ioctl_getwmmparams and (2) ieee80211_ioctl_setwmmparams functions in net80211/ieee80211_wireless.c in MadWifi before 0.9.3.1 allows local users to cause a denial of service (system crash), possibly obtain kernel memory contents, and possibly execute arbitrary code via a large negative array index value.
How severe is CVE-2007-2831?: CVE-2007-2831 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-2831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2831?: CVE-2007-2831 primarily affects Madwifi. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-2831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-2831 published?: CVE-2007-2831 was published on 2007-05-24 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:madwifi:madwifi:*:*:*:*:*:*:*:*
cpe:2.3:a:madwifi:madwifi:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:madwifi:madwifi:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:madwifi:madwifi:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:madwifi:madwifi:0.9.2.1:*:*:*:*:*:*:*

More vulnerabilities in Madwifi

CVE-2006-7178 — High (CVSS 7.8): MadWifi before 0.9.3 does not properly handle reception of an AUTH frame by an IBSS node, which allows remote attackers…
CVE-2006-7177 — High (CVSS 7.8): MadWifi, when Ad-Hoc mode is used, allows remote attackers to cause a denial of service (system crash) via unspecified…
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