CVE-2025-43881Network attack vector

Authenticated denial of service

Published Jul 23, 2025 · Updated Jul 23, 2025

A quantity-validation flaw in SYNCK GRAPHICA Real-time Bus Tracking System before 1.1 lets remote authenticated users cause a denial of service. Neither JPCERT/CC nor the vendor identifies the affected administrative input or explains how the unchecked quantity interrupts the service. Access to the administrative page is required, and the published impact is limited to service availability with no reported data disclosure or modification.

CVSS severity5.3
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A quantity-validation flaw in SYNCK GRAPHICA Real-time Bus Tracking System before 1.1 lets remote authenticated users cause a denial of service. Neither JPCERT/CC nor the vendor identifies the affected administrative input or explains how the unchecked quantity interrupts the service. Access to the administrative page is required, and the published impact is limited to service availability with no reported data disclosure or modification.

The record

CVE
CVE-2025-43881
Published
Jul 23, 2025
Updated
Jul 23, 2025
Vendor
SYNCK GRAPHICA
Product
Real-time Bus Tracking System
Classifications
CWE-1284, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 23, 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=versions prior to 1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SYNCK GRAPHICA · Real-time Bus Tracking Systemversion=versions prior to 1.1

Published CVSS scores

5.3JPCERT/CCCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
4.3JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1284Improper Validation of Specified Quantity in Input
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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