CVE-2026-80135Network attack vector

Unauthenticated protection bypass via improper exception handling

Published Sep 7, 2026 · Updated Sep 9, 2026

Improper exception handling in Dell Secure Connect Gateway 5.0 allows remote attackers to bypass a protection mechanism without authentication. Dell has not published the affected component, exceptional condition, or incorrect operation that causes the bypass. The network-reachable flaw affects availability only; Dell has not specified whether exploitation causes a hang, crash, or another interruption.

CVSS severity7.5
High
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper exception handling in Dell Secure Connect Gateway 5.0 allows remote attackers to bypass a protection mechanism without authentication. Dell has not published the affected component, exceptional condition, or incorrect operation that causes the bypass. The network-reachable flaw affects availability only; Dell has not specified whether exploitation causes a hang, crash, or another interruption.

The record

CVE
CVE-2026-80135
Published
Sep 7, 2026
Updated
Sep 9, 2026
Vendor
Dell Technologies
Product
Secure Connect Gateway - Virtual Edition
Classifications
CWE-703, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <5.36.00.16 or later

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dell Technologies · Secure Connect Gateway - Virtual Editionversion=0 <5.36.00.16 or later
Dell Technologies · Secure Connect Gateway - Application Editionversion=0 <5.36.00.00 or later

Published CVSS scores

7.5Dell TechnologiesCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-703Improper Check or Handling of Exceptional Conditions
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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