Auth bypass in Microhardcorp Bullet-3g
CVE-2018-25146
Microhard Systems IPn4G 1.1.0 contains an undocumented vulnerability that allows authenticated attackers to list and manipulate running system processes. Attackers can send arbitrary signals to kill background processes and system services through a hidden feature, potentially causing service disruption and requiring device restart.
Vulnerability class: Broken Access Control
EPSS: 0.004 (35.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Microhardcorp Bullet-3g
- Microhardcorp Bullet-3g_firmware — versions 1.2.0
- Microhardcorp Bullet-lte
- Microhardcorp Bullet-lte_firmware — versions 1.2.0
- Microhardcorp Bulletplus
- Microhardcorp Bulletplus_firmware — versions 1.3.0
- Microhardcorp Dragon-lte
- Microhardcorp Dragon-lte_firmware — versions 1.1.0
- Microhardcorp Ipn3gb
- Microhardcorp Ipn3gb_firmware — versions 2.2.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2018-25146?
- CVE-2018-25146 is a high-severity vulnerability in Microhardcorp Bullet-3g, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2025-12-24.
- How severe is CVE-2018-25146?
- High severity. CVSS v3 base score is 8.1 out of 10.