Cyber Resilience

CVE-2026-7251

CriticalUpdated

Published: 26 May 2026

Published
26 May 2026
Modified
04 June 2026
KEV Added
Patch
CVSS Score v4 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0050 39.0th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-7251 is a critical-severity Use of Hard-coded Password (CWE-259) vulnerability in Cisa (inferred from references). Its CVSS base score is 9.3 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique VNC (T1021.005); ranked at the 39.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

Eppendorf BioFlo 320 is vulnerable due to VNC server using a hard-coded password. If a remote attacker knows the network address of any BioFlo 320 model with remote access enabled, they can gain full control of the user interface by…

more

using this password. Once connected, the attacker would have full access to all control panel features for the BioFlo 320. VNC traffic is not encrypted.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1021.005 VNC Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
T1133 External Remote Services Persistence
Adversaries may leverage external-facing remote services to initially access and/or persist within a network.
T1078.001 Default Accounts Stealth
Adversaries may obtain and abuse credentials of a default account as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion.
Why these techniques?

Hard-coded VNC password directly enables remote UI control via External Remote Services (T1133) and VNC (T1021.005) using Default Accounts (T1078.001).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-1100Shared CWE-259
CVE-2026-25753Shared CWE-259
CVE-2025-70798Shared CWE-259
CVE-2025-30106Shared CWE-259
CVE-2025-59388Shared CWE-259
CVE-2025-2402Shared CWE-259
CVE-2026-1610Shared CWE-259
CVE-2025-30115Shared CWE-259
CVE-2025-25428Shared CWE-259
CVE-2025-46067Shared CWE-259

Affected Assets

Cisa
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-259

Changing default authenticators prior to first use directly prevents use of hard-coded passwords.

addresses: CWE-259

Shared threat data frequently highlights products or deployments still using hard-coded passwords, enabling remediation that directly blocks credential-based attacks.

addresses: CWE-259

Background checks and authorization requirements decrease the probability that a developer will hard-code passwords for later unauthorized access.

addresses: CWE-259

Reviews of supplier deliverables reduce the chance that hard-coded passwords are introduced into the system.

References