CVE-2026-73799Network attack vector

Unauthenticated memory corruption

Published Oct 15, 2026 · Updated Oct 15, 2026

A stack-based buffer overflow in HPE NonStop SNMP Trap Multiplexer allows remote attackers to corrupt memory via unspecified vectors. The affected range is T1041L01^BAA and earlier; retrieved evidence does not disclose the faulty operation or triggering input. Authentication and user interaction are unnecessary, but the precise service failure mode is unspecified and code execution is not established.

CVSS severity7.5
High
EPSS probability0.26%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A stack-based buffer overflow in HPE NonStop SNMP Trap Multiplexer allows remote attackers to corrupt memory via unspecified vectors. The affected range is T1041L01^BAA and earlier; retrieved evidence does not disclose the faulty operation or triggering input. Authentication and user interaction are unnecessary, but the precise service failure mode is unspecified and code execution is not established.

The record

CVE
CVE-2026-73799
Published
Oct 15, 2026
Updated
Oct 15, 2026
Vendor
Hewlett Packard Enterprise
Product
HPE NonStop SNMP Trap Multiplexer
Classifications
CWE-121, CAPEC-456
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 15, 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=T1041L01^BAA and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Hewlett Packard Enterprise · HPE NonStop SNMP Trap Multiplexerversion=T1041L01^BAA and earlier

Published CVSS scores

7.5Hewlett Packard EnterpriseCVSS: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.

Activity data is delayed. The latest report is Sep 28, 2026.

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

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
CAPEC-456Infected Memory

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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