What is the CVSS score of CVE-2026-1221?

CVE-2026-1221 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-1221?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Audit authentication configurations and rotate any potentially compromised credentials.

CVE-2026-1221

CRITICAL

Use of Hard-coded Credentials (CWE-798)

2026-01-20 twcert@cert.org.tw

Authentication Bypass

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 20, 2026 - 07:15 nvd

CRITICAL 9.8

DescriptionCVE.org

PrismX MX100 AP controller developed by BROWAN COMMUNICATIONS has a Use of Hard-coded Credentials vulnerability, allowing unauthenticated remote attackers to log in to the database using hardcoded database credentials stored in the firmware.

AnalysisAI

PrismX MX100 AP controller by BROWAN has hard-coded credentials that allow remote attackers to gain full administrative access to the wireless network controller.

Technical ContextAI

The PrismX MX100 wireless access point controller contains CWE-798 hard-coded credentials that cannot be changed by administrators. Any attacker who discovers these credentials gains full administrative access.