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-2026-90062NVD

Vulnerability Summary

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

netfilter: nf_tables: move hardware offload step after building the chain blob

Allocate the chain blob before the ruleset offload to reduce chances of
entering an inconsistent state where the offloaded ruleset in the nic
and the software ruleset differ.
Severity Level
HIGH(7.1)
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 7.1 (HIGH)
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < 923f824f30faebc5560c3061a595063cecdbdbb8
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < 6e7ad6e69be4751ab2476042c70c600bdaa8d4f2
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < 309acbab74e46114246bf4346c9b60b3d8cb4fcd
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < 79eafe22ab0a650996da2b3e5d94a12c3e16f3aa
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < 52febaf1d311d6ede312b2ec7692a309714f9554
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < d5497644329d3a01e951aba76561bbd883ff6b0c
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < 6a7d3b074cfbb64513f5f92d60ab1b216ae98076
  • Linux Linux >= c9626a2cbdb20e26587b3fad99960520a023432b and < b1881d362e1924b66f6016c3efd28807032b41bf
  • Linux Linux >= 5.3
Patched Versions
  • Linux Linux 923f824f30faebc5560c3061a595063cecdbdbb8
  • Linux Linux 6e7ad6e69be4751ab2476042c70c600bdaa8d4f2
  • Linux Linux 309acbab74e46114246bf4346c9b60b3d8cb4fcd
  • Linux Linux 79eafe22ab0a650996da2b3e5d94a12c3e16f3aa
  • Linux Linux 52febaf1d311d6ede312b2ec7692a309714f9554
  • Linux Linux d5497644329d3a01e951aba76561bbd883ff6b0c
  • Linux Linux 6a7d3b074cfbb64513f5f92d60ab1b216ae98076
  • Linux Linux b1881d362e1924b66f6016c3efd28807032b41bf
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♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
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External References