What is the CVSS score of CVE-2025-2771?

CVE-2025-2771 has a CVSS 3.0 base score of 5.3 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.4%.

Which versions of Router Firmware are affected by CVE-2025-2771?

CVE-2025-2771 presents moderate security risk, a improper authentication vulnerability rated CVSS 5.3. This could allow unauthorized access to protected resources.

How to fix or mitigate CVE-2025-2771?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Audit authentication configurations.

Router Firmware CVE-2025-2771

MEDIUM

Improper Authentication (CWE-287)

2025-04-23 zdi-disclosures@trendmicro.com

Authentication Bypass Router Firmware

5.3

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:38 vuln.today

CVE Published

Apr 23, 2025 - 17:16 nvd

MEDIUM 5.3

DescriptionCVE.org

BEC Technologies Multiple Routers Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of BEC Technologies routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the web-based user interface. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-25894.

AnalysisAI

BEC Technologies Multiple Routers Authentication Bypass Vulnerability. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. BEC Technologies Multiple Routers Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of BEC Technologies routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web-based user interface. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-25894. Affected products include: Bectechnologies Router Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.