What is CVE-2025-57278?

CVE-2025-57278 is a high-severity vulnerability in Lb-link Bl-cpe300m, classified under Improper Authentication. CVSS score: 8.8/10. Published 2025-09-09.

How severe is CVE-2025-57278?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-57278 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Lb-link Bl-cpe300m

CVE-2025-57278

The LB-Link BL-CPE300M AX300 4G LTE Router firmware version BL-R8800_B10_ALK_SL_V01.01.02P42U14_06 does not implement proper session handling. After a user authenticates from a specific IP address, the router grants access to any other cli…

Vulnerability class: Broken Authentication

EPSS: 0.004 (32.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-57278?: CVE-2025-57278 is a high-severity vulnerability in Lb-link Bl-cpe300m, classified under Improper Authentication. CVSS score: 8.8/10. Published 2025-09-09.
How severe is CVE-2025-57278?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-57278 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.