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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.012 (66.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.012 · change: +0.000
Affected products
- Netcore B6v2 — versions 20250508
- Netcore Cover5 — versions 20250508
- Netcore Nap830 — versions 20250508
- Netcore Nap930 — versions 20250508
- Netcore Nbr1005gpev2 — versions 20250508
- Netcore Nbr100v2 — versions 20250508
- Netcore Nbr200v2 — versions 20250508
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/Exploo0Osion/netcore_command_injection_2 (exploit)
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.