HPE EdgeConnect SD-WAN Gateways up to 9.4.8.2/9.5.8.1/9.6.3.1/9.7.0.0 Web-based Management Interface buffer overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$5k-$25k0.90

Summaryinfo

A vulnerability, which was classified as problematic, was found in HPE EdgeConnect SD-WAN Gateways up to 9.4.8.2/9.5.8.1/9.6.3.1/9.7.0.0. This vulnerability affects unknown code of the component Web-based Management Interface. The manipulation results in buffer overflow. This vulnerability is identified as CVE-2026-76703. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in HPE EdgeConnect SD-WAN Gateways up to 9.4.8.2/9.5.8.1/9.6.3.1/9.7.0.0. Affected is some unknown functionality of the component Web-based Management Interface. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on integrity, and availability. CVE summarizes:

A buffer overflow vulnerability exists in the web-based management interface of HPE Networking EdgeConnect SD-WAN Gateways that could allow an authenticated attacker with administrative access to cause a denial of service. Successful exploitation could allow an attacker to disrupt system operations, potentially resulting in an unstable system state.

The advisory is shared for download at support.hpe.com. This vulnerability is traded as CVE-2026-76703 since 08/19/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/15/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.8
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (hpe): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/19/2026 CVE reserved
09/15/2026 +27 days Advisory disclosed
09/15/2026 +0 days VulDB entry created
09/15/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: hpe.com

Advisory: support.hpe.com
Status: Not defined

CVE: CVE-2026-76703 (🔒)
GCVE (CVE): GCVE-0-2026-76703
GCVE (VulDB): GCVE-100-404616

Entryinfo

Created: 09/15/2026 21:50
Changes: 09/15/2026 21:50 (62)
Complete: 🔍
Cache ID: 216::103

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