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Fencer Vulns
medium 5.3

CVE-2025-2771 json

BEC Technologies Multiple Routers Authentication Bypass Vulnerability

published 2025-04-23 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-12184

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • BEC Technologies Multiple Routers

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.