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CVE-2026-73779

HIGH 8.2

Published 2026-09-01 · Last modified 2026-09-03

Vulnerabilities have been identified in the operating system of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. Successful exploitation could compromise system integrity and further expose sensitive information.

ELEVATED IMPACT

Severe if exploited (CVSS 8.2), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 7th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

8.2CVSS 3.1 · HIGH

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityLow

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: Needs a race window or specific setup

✓ 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-2026-73779/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-2026-73779/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-269: Improper Privilege Management

CVSS vector

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

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

  • HIGH 8.2 v3.1 · CNA Primary
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
  • HIGH 8.2 v3.1 · NVD Secondary
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

Sources: NVD · CVE.org · EPSS