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-2026-90106NVD

Vulnerability Summary

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

net: bridge: arp/nd proxy: fix reading neigh ha

Currently neigh ha address is read directly, but that can result in
torn/partial reads if the neigh is being updated. Use neigh_ha_snapshot
to take a stable snapshot of the address.
Severity Level
UNKNOWN
Published Date
Sep 17, 2026
Last Modified
Sep 17, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.19%Probability
Root Weakness (CWE)
N/A

Affected & Patched Versions

Affected Versions
  • Linux Linux >= 057658cb33fbf4d4309f01fe8845903b1cd07fad and < 291c9e137b7c74e8a512cded4845352da4c4adda
  • Linux Linux >= 057658cb33fbf4d4309f01fe8845903b1cd07fad and < 57549ab9079122991dfa0f8248ca00e101e8e69b
  • Linux Linux >= 4.15
Patched Versions
  • Linux Linux 291c9e137b7c74e8a512cded4845352da4c4adda
  • Linux Linux 57549ab9079122991dfa0f8248ca00e101e8e69b
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💬Webhooks — Slack & Teams integration.
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External References