Unauthenticated remote command execution on enterprise SD‑WAN gateways can lead to full system and network compromise, impacting broad enterprise operations.
CVE-2026-76683
Unauthenticated RCE via buffer overflow in HPE EdgeConnect SD-WAN API
Is CVE-2026-76683 being exploited?
Not confirmed. CVE-2026-76683 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-76683?
CVE-2026-76683 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-76683?
Not known from our data. No patch reference has been recorded for CVE-2026-76683, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-76683 affect?
CVE-2026-76683 affects HPE Networking EdgeConnect SD-WAN Gateways (API endpoint). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76683?
Isolate devices, block API access, apply vendor updates when released, and monitor logs/traffic.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated arbitrary OS command execution leading to full system compromise and potential network takeover.
Immediate action required
- affected<= 9.7.0.0
- affected>= 9.6.0.0 and <= 9.6.3.1
- affected>= 9.5.0.0 and <= 9.5.8.1
- affected>= 9.4.0.0 and <= 9.4.8.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.