CVE-2026-58374

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 21.8% of scored records. A rank, not a probability.

NVD base score

7.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-25.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-06-30 12:35Z4 MO AGO

Last updated

2026-06-30 13:38Z4 MO AGO

Reserved

2026-06-30

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-193Off-by-one ErrorBase
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

b267bf00749a21263ae6337c37330b43659f0d8c01dbaaa500579a1335e8b830

• w1.fihostap security advisory 2026-1: Missing multi-link parsing validation in wpa_supplicant and hostapdhttps://w1.fi/security/2026-1/missing-ml-parsing-validation.txtvendor-advisory
• w1.fihostap security advisory 2026-1 patch directoryhttps://w1.fi/security/2026-1/vendor-advisorypatch
• git.w1.fiFix commit 46dd5a4 - missing link ID bounds checkhttps://git.w1.fi/cgit/hostap/commit/?id=46dd5a4ffc9bcf44cf8fc45120b3e1e5ec922187patch
• git.w1.fiFix commit aa9d345 - BSS bounds check for link_idhttps://git.w1.fi/cgit/hostap/commit/?id=aa9d345887389a251c63a3781d2ad2940d079193patch
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/06/30/1