CVE-2023-23296Public exploitNetwork attack vector

Web-service outage via crafted formDefault POST request

Published Feb 23, 2023 · Updated Mar 17, 2025

Denial of service in Korenix JetWave 4200 Series 1.3.0 and JetWave 3200 Series 1.6.0 allows remote authenticated users to interrupt the web service. The formDefault handler processes a crafted POST request by terminating its underlying binary, leaving the management interface unavailable. An authenticated session is required, and the affected web service remains inaccessible until the device is rebooted.

CVSS severity6.5
Medium
EPSS probability0.80%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Korenix JetWave 4200 Series 1.3.0 and JetWave 3200 Series 1.6.0 allows remote authenticated users to interrupt the web service. The formDefault handler processes a crafted POST request by terminating its underlying binary, leaving the management interface unavailable. An authenticated session is required, and the affected web service remains inaccessible until the device is rebooted.

The record

CVE
CVE-2023-23296
Published
Feb 23, 2023
Updated
Mar 17, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-400, T1499.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 23, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499.004Application or System Exploitation

Public exploit references

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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