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.

Published: 2007-05-24 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-2831 is rated High Risk (71.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.46%). EPSS rose +1.29% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-2831

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.17% 3.46% +1.29%
2 2026-01-10 2.09% 2.17% +0.08%
3 2025-07-26 — 2.09% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-2831

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2007-2831

OS Trackers for CVE-2007-2831

vendor priority summary link
gentoo high CVE-2007-2831: 1 GLSA(s) (200706-04), 1 atom(s) (net-wireless/madwifi-ng); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-2831
ubuntu medium CVE-2007-2831 medium priority: Ubuntu including 3 source packages (linux-restricted-modules-2.6.15, linux-restricted-modules-2.6.17, linux-restricted-modules-2.6.20), 12 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 6, needs-triage 3, released 3. https://ubuntu.com/security/CVE-2007-2831

Affected software / configurations for CVE-2007-2831

Vendor Product Version Raw CPE
madwifi madwifi <= 0.9.3 cpe:2.3:a:madwifi:madwifi:*:*:*:*:*:*:*:*
madwifi madwifi 0.9.0 cpe:2.3:a:madwifi:madwifi:0.9.0:*:*:*:*:*:*:*
madwifi madwifi 0.9.1 cpe:2.3:a:madwifi:madwifi:0.9.1:*:*:*:*:*:*:*
madwifi madwifi 0.9.2 cpe:2.3:a:madwifi:madwifi:0.9.2:*:*:*:*:*:*:*
madwifi madwifi 0.9.2.1 cpe:2.3:a:madwifi:madwifi:0.9.2.1:*:*:*:*:*:*:*

References for CVE-2007-2831

cvelogic Threat Intelligence