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CVE-2026-76724

CRITICAL 9.6

Published 2026-09-29 · Last modified 2026-10-01

A command injection vulnerability exists in CLI of the affected HPE Networking Instant ON APs that could allow an unauthenticated adjacent attacker to perform command injection by sending specially crafted packets. Successful exploitation could allow an attacker to execute arbitrary commands as a privileged user on the underlying operating system.

ELEVATED IMPACT

Severe if exploited (CVSS 9.6), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

1.0%chance of exploitation in 30 days · 63rd percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

9.6CVSS 3.1 · CRITICAL

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Must sit on the same / adjacent network
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-76724/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-76724/poc.json

Affected

Vendors Hewlett Packard Enterprise (Hpe)

Products Instant On

Weakness (CWE)

  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVSS vector

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

All CVSS metrics

  • CRITICAL 9.6 v3.1 · CNA Primary
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  • CRITICAL 9.6 v3.1 · NVD Secondary
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Technical & other

Sources: NVD · CVE.org · EPSS