RCE in Netcore B6v2

CVE-2025-5146

A vulnerability has been found in Netcore NBR1005GPEV2, B6V2, COVER5, NAP830, NAP930, NBR100V2 and NBR200V2 up to 20250508 and classified as critical. This vulnerability affects the function passwd_set of the file /usr/bin/routerd of the component HTTP Header Handler. The manipulation of the argument pwd leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

EPSS: 0.012 (64.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-5146?
CVE-2025-5146 is a medium-severity vulnerability in Netcore B6v2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-05-25.
How severe is CVE-2025-5146?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-5146 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.