Critical Alert 1 Active Exploit Detected Today

CVE-2026-7273 — Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability →
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September 22, 2026

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CVE-2026-93063NVD

Vulnerability Summary

In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: mei: check SAP message length before reading it

Verify the SAP message size is not larger than the local buffer before
reading the message to avoid buffer overflow.
Severity Level
HIGH(8.4)
Published Date
Sep 17, 2026
Last Modified
Sep 18, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.16%Probability
Root Weakness (CWE)
N/A
CVSS v3.1 Base Metrics — Score 8.4 (HIGH)
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Linux Linux >= a29e442ee110aafdf7785fac6de44b22d3da43db and < a4034f1cc8a422cefc519290d8e6cfb7ff773586
  • Linux Linux >= bcd68b3dbe78b7b0f7b6b55162cf1eff1e7fff9e and < b90ebae632318dc2e5cd4ac96e454ec50f705579
  • Linux Linux >= bcd68b3dbe78b7b0f7b6b55162cf1eff1e7fff9e and < 9c6bea89a16815688a5240dd4a74c922a92fcdc3
  • Linux Linux >= bcd68b3dbe78b7b0f7b6b55162cf1eff1e7fff9e and < 242125bbf19a2974d22f3d5025c9c14c0a4aea58
  • Linux Linux >= bcd68b3dbe78b7b0f7b6b55162cf1eff1e7fff9e and < f7f770d12e6e928006f89a59291074e5fea82886
  • Linux Linux >= bcd68b3dbe78b7b0f7b6b55162cf1eff1e7fff9e and < 7d8cc301bcba233f31b589a45f4c1c97f2bb90d6
  • Linux Linux >= 9f71cebcac2148e68d0d67f113d0f9aabfcc7a2a
  • Linux Linux >= 6.1.2 and < 6.1.188
  • Linux Linux >= 6.0.16 and < 6.1
  • Linux Linux >= 6.2
Patched Versions
  • Linux Linux a4034f1cc8a422cefc519290d8e6cfb7ff773586
  • Linux Linux b90ebae632318dc2e5cd4ac96e454ec50f705579
  • Linux Linux 9c6bea89a16815688a5240dd4a74c922a92fcdc3
  • Linux Linux 242125bbf19a2974d22f3d5025c9c14c0a4aea58
  • Linux Linux f7f770d12e6e928006f89a59291074e5fea82886
  • Linux Linux 7d8cc301bcba233f31b589a45f4c1c97f2bb90d6
  • Linux Linux 6.1.188
  • Linux Linux 6.1
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External References