# CVE-2026-76695: HPE EdgeConnect SD-WAN Gateway buffer overflow in underlying OS

Source: https://junglewise.ai/threats/cve-2026-76695-hpe-edgeconnect-sd-wan-gateway-buffer-overflow-in-underlying-os  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-76695 · Severity: medium · CVSS 6.5 · Published 2026-09-15

HPE EdgeConnect SD-WAN Gateways are networking appliances that route traffic and connect branch offices to cloud and corporate data centers. A buffer overflow in the underlying operating system allows unauthenticated attackers to send specially crafted network packets that could disrupt the gateway's operation or compromise data integrity, potentially affecting branch office connectivity.

Technologies: [Hpe EdgeConnect SD-WAN Gateway](https://junglewise.ai/threats/technologies/edgeconnect-sd-wan-gateway). Vendors: [Hpe](https://junglewise.ai/threats/vendors/hpe).

## Quick answers

**Is CVE-2026-76695 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-76695 being exploited in the wild.

**How severe is CVE-2026-76695?** Medium severity, with a CVSS score of 6.5, published 15 September 2026.

**Which products and versions are affected?** HPE EdgeConnect SD-WAN Gateway.

**Is there a fix for CVE-2026-76695?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-76695 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-76695?** Check whether you run Hpe EdgeConnect SD-WAN Gateway. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A buffer overflow vulnerability exists in the underlying operating system used by HPE EdgeConnect SD-WAN Gateways. The flaw can be exploited by an unauthenticated remote attacker sending specially crafted packets to an affected network service without requiring authentication or user interaction. Successful exploitation could result in impact to the integrity and availability of the affected service. The attack is network-reachable and requires no privilege escalation or prior access. Patches are reportedly available from HPE; users should consult the HPE security bulletin for version-specific remediation.

## Affected products

- HPE EdgeConnect SD-WAN Gateway

## Timeline

- 2026-09-15: disclosed

## References

- [https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US](https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US)

## Related threats

- [HPE EdgeConnect SD-WAN Gateway information disclosure via memory access](https://junglewise.ai/threats/cve-2026-76707-hpe-edgeconnect-sd-wan-gateway-information-disclosure-via-memory)
- [HPE EdgeConnect denial of service in operating system](https://junglewise.ai/threats/cve-2026-76702-hpe-edgeconnect-denial-of-service-in-operating-system)
- [HPE EdgeConnect SD-WAN Gateway buffer overflow in system service](https://junglewise.ai/threats/cve-2026-76699-hpe-edgeconnect-sd-wan-gateway-buffer-overflow-in-system-service)
- [HPE Networking EdgeConnect SD-WAN Gateway information disclosure in web management interface](https://junglewise.ai/threats/cve-2026-76697-hpe-networking-edgeconnect-sd-wan-gateway-information-disclosure)
- [HPE EdgeConnect SD-WAN Gateway denial of service](https://junglewise.ai/threats/cve-2026-76696-hpe-edgeconnect-sd-wan-gateway-denial-of-service)