CVE-2025-45746Public exploitNetwork attack vector

Unauthenticated service-console access via hard-coded JWT key

Published May 13, 2025 · Updated May 21, 2025

Authentication bypass in ZKTeco ZKBio CVSecurity 6.4.1_R allows remote attackers to access the service console with a forged JWT. The web services controller accepts tokens signed with a hard-coded shared key instead of relying on installation-specific secret material. The supplier disputes the impact because the console is normally limited to a local network and its access does not grant application login or data access.

CVSS severity6.5
Medium
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authentication bypass in ZKTeco ZKBio CVSecurity 6.4.1_R allows remote attackers to access the service console with a forged JWT. The web services controller accepts tokens signed with a hard-coded shared key instead of relying on installation-specific secret material. The supplier disputes the impact because the console is normally limited to a local network and its access does not grant application login or data access.

The record

CVE
CVE-2025-45746
Published
May 13, 2025
Updated
May 21, 2025
Vendor
ZKTeco
Product
ZKBio CVSecurity
Classifications
CWE-321, T1606
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 13, 2025CVE publishedPublication date reported by the CVE source.
  2. May 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.4.1_R <6.6.0_R

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ZKTeco · ZKBio CVSecurityversion=6.4.1_R <6.6.0_R

Published CVSS scores

6.5MITRECVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
9.8NVDCVSS:3.1/AV:N/AC:L/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 exploitPublished

Weakness, pattern, technique

CWE-321Use of Hard-coded Cryptographic Key
T1606Forge Web Credentials

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo