CVE-2026-21094CWE-20

CVE-2026-21094

High · published September 9, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
5.3
In the wild
Unconfirmed
What it is

Improper input validation in wpa_supplicant prior to SMR Sep-2026 Release 1 allows adjacent attackers to write out-of-bounds memory.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
6.1 · CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00164 · 5.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-09-09T09:17Z
Affected products (95)
ProductVersionsFixed in
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References (1)
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:16Z
    EPSS moved — → 0%
    epss
  • 09 SEP 04:47Z
    Improper input validation in wpa_supplicant prior to SMR Sep-2026 Release 1 allows adjacent attackers to write out-of-bounds memory
    cvelistv5