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CVE-2026-108798

ZKTeco BioTime hard-coded key

No known exploitation. EPSS puts it in the 19th percentile. Fixed in 9.5.6 Build 3623.

CVSS 3.17.3HighEPSS percentile19th0.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix9.5.6 Build 3623Upgrade to this build

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • ZKTeco BioTimeAffected: 9.5.6 Build 20260130.3206Upgrade to: not statedFixed builds9.5.6 Build 3623Stated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

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What it is

From the CVE record

A vulnerability was found in ZKTeco BioTime 9.5.6 Build 20260130.3206. This issue affects some unknown processing. The manipulation results in use of hard-coded cryptographic key . The attack may be launched remotely. Upgrading to version 9.5.6 Build 3623 is capable of addressing this issue. It is suggested to upgrade the affected component.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS19th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.3% chance of exploitation activity in the next 30 days, which ranks it in the 19th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

6 events over 4 days, from the signal feeds we watch.

  1. Record updated
  2. Record updated
  3. Record updated
  4. Publishedweakness classified, record updated

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Scored 7.3 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity LowData modification is possible but limited in scope or consequence
  • Availability LowReduced performance or intermittent disruption of service

Weaknesses

Sources

References in the record

And 2 more references. See all after sign-in

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We'll flag the next CVE, public exploit or patch for BioTime, not every advisory.