CVE-2023-48266Network attack vector

Device crash via crafted request stack overflow

Published Jan 10, 2024 · Updated Jun 17, 2025

Stack-based buffer overflow in NEXO Cordless Nutrunner NEXO-OS V1000-Release through V1500-SP2 allows remote attackers to crash the device. Bosch identifies a crafted network request as the trigger but has not disclosed the affected protocol handler, buffer, or unchecked copy operation. The request requires no authentication; service interruption is established, while remote code execution remains unconfirmed.

CVSS severity8.1
High
EPSS probability0.76%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in NEXO Cordless Nutrunner NEXO-OS V1000-Release through V1500-SP2 allows remote attackers to crash the device. Bosch identifies a crafted network request as the trigger but has not disclosed the affected protocol handler, buffer, or unchecked copy operation. The request requires no authentication; service interruption is established, while remote code execution remains unconfirmed.

The record

CVE
CVE-2023-48266
Published
Jan 10, 2024
Updated
Jun 17, 2025
Vendor
Bosch Rexroth AG
Product
NEXO Cordless Nutrunner
Classifications
CWE-121, T0866
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2025Record 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=NEXO-OS V1000-Release <=NEXO-OS V1500-SP2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Bosch Rexroth AG · NEXO Cordless Nutrunnerversion=NEXO-OS V1000-Release <=NEXO-OS V1500-SP2

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1Robert Bosch GmbHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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
T0866Exploitation of Remote Services

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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