CVE-2024-39300Network attack vector

Configuration changes via unauthenticated Telnet login

Published Aug 30, 2024 · Updated Oct 21, 2024

Missing authentication in the Telnet function of ELECOM WAB-I1750-PS 1.5.10 and earlier allows remote attackers to alter settings. The enabled Telnet service accepts a login without verifying credentials and exposes its configuration interface. Telnet must be enabled and network-reachable; published sources report configuration changes, not arbitrary code execution.

CVSS severity8.1
High
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in the Telnet function of ELECOM WAB-I1750-PS 1.5.10 and earlier allows remote attackers to alter settings. The enabled Telnet service accepts a login without verifying credentials and exposes its configuration interface. Telnet must be enabled and network-reachable; published sources report configuration changes, not arbitrary code execution.

The record

CVE
CVE-2024-39300
Published
Aug 30, 2024
Updated
Oct 21, 2024
Vendor
ELECOM CO., LTD.
Product
WAB-I1750-PS
Classifications
CWE-306
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 30, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2024Record 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 <=1.5.10
  2. Affected versionversion=v1.5.10 and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ELECOM CO., LTD. · WAB-I1750-PSversion=0 <=1.5.10; version=v1.5.10 and earlier

Published CVSS scores

3.7NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
8.1CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1JPCERT/CCCVSS:3.0/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 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-306Missing Authentication for Critical Function

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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