Quick answers
- Is CVE-2026-76703 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-76703 being exploited in the wild.
- How severe is CVE-2026-76703?
- Medium severity, with a CVSS score of 5.5, published 15 September 2026.
- Which products and versions are affected?
- HPE Networking EdgeConnect SD-WAN Gateways.
- Is there a fix for CVE-2026-76703?
- 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-2026-76703 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-76703?
- Check whether anything you run is named in the advisory. 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 web-based management interface of HPE Networking EdgeConnect SD-WAN Gateways. The vulnerability requires authentication with administrative privileges and network access to the management interface. Successful exploitation can cause a denial of service by crashing the management process or the entire device. The vulnerability is a classic memory corruption issue that could potentially be leveraged for further exploitation, though current evidence indicates it primarily impacts availability. Patches are available through HPE support.
Affected products
- HPE Networking EdgeConnect SD-WAN Gateways
Timeline
- 2026-09-15: disclosed