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CVE-2025-86999.1CriticalCWE-922

CVE-2025-8699: KioSoft Stored Value Unattended Payment Solution vulnerability

KioSoft · Stored Value Unattended Payment Solution

Vendor fix available · Affected: KioSoft Stored Value Unattended Payment Solution · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.8%probability of exploitation in the next 30 days
56th percentile
050100

Higher than 56% of scored CVEs

9.1CriticalCVSS 3.1
LowCrit.

DescriptionCVE.org

Some "Stored Value" Unattended Payment Solutions of KioSoft use vulnerable NFC cards. Attackers could potentially use this vulnerability to change the balance on the cards and generate money. The account balance is stored on an insecure MiFare Classic NFC card and can be read and written back. By carefully observing changes in card dumps, one can identify fields that store the cash value of the card. Additionally, a checksum can be identified, which is created by XOR-ing the cash and an unknown field with a certain value. By updating the fields accordingly, arbitrary amounts of money can be loaded onto the card (up to $655,35) to pay for goods.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • KioSoft · Stored Value Unattended Payment SolutionCurrent firmware/hardware as of Q2/2025

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

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Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template

CoverageNo articles yet

No CyberSIXT article names CVE-2025-8699 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

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