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CVE-2026-73783

MEDIUM 4.9

Published 2026-09-01 · Last modified 2026-09-02

Stack overflow vulnerabilities exist in an API endpoint of AOS-CX. Successful exploitation could allow an authenticated malicious actor to cause a denial-of-service condition on the affected system.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 17th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

4.9CVSS 3.1 · MEDIUM

  • ConfidentialityNone
  • IntegrityNone
  • AvailabilityHigh

What an attacker needs

  • Access: Reachable over the network — no local access needed
  • Privileges: Requires an admin / high-privilege account
  • 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-2026-73783/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-2026-73783/poc.json

Affected

Vendors Hewlett Packard Enterprise (Hpe) Hpe

Products Aos Cx Arubaos Cx Aruba Cx 10000 48y6c \(R8p13a\) Aruba Cx 10000 48y6c \(R8p14a\) Aruba Cx 10000 48y6c \(S0f98a\) Aruba Cx 10040 \(S4r58a\) Aruba Cx 10040 32p \(S4r54a\) Aruba Cx 10040 32p \(S4r55a\) Aruba Cx 10040 32p \(S4r56a\) Aruba Cx 4100i 12 Port \(Jl817a\) Aruba Cx 4100i 24 Port \(Jl818a\) Aruba Cx 6000 12g \(R8n89a\)

Weakness (CWE)

  • CWE-121: Stack-based Buffer Overflow

CVSS vector

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

Known Affected Software Configurations

VendorProductVersion range
HpeArubaos Cx≤ 10.10.1180
HpeArubaos Cx≥ 10.13.0000 and ≤ 10.13.1180
HpeArubaos Cx≥ 10.16.0000 and ≤ 10.16.1051
HpeArubaos Cx≥ 10.17.0000 and ≤ 10.17.1021
HpeArubaos Cx10.18.0001

All CVSS metrics

  • MEDIUM 4.9 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • MEDIUM 4.9 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Sources: NVD · CVE.org · EPSS