CVE-2019-3976
RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary...
RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary directory creation vulnerability via the upgrade package's name field. If an authenticated user installs a malicious package then a directory could be created and the developer shell could be enabled.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary directory creation vulnerability via the upgrade package's name field. If an authenticated user installs a malicious package then a directory could be created and the developer shell could be enabled.
- Record
CVE-2019-3976- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-23, CWE-22
- Updated
- 2026-11-02
CVE List No score
RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary directory creation vulnerability via the upgrade package's name field. If an authenticated user installs a malicious package then a directory could be created and the developer shell could be enabled.
- Record
CVE-2019-3976- Weakness
- CWE-23
- Updated
- 2026-11-02
EUVDEUVD-2019-13583 No score
RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary directory creation vulnerability via the upgrade package's name field. If an authenticated user installs a malicious package then a directory could be created and the developer shell could be enabled.
- Record
EUVD-2019-13583- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mqp4-vc38-m2mf No score
RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary...
RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary directory creation vulnerability via the upgrade package's name field. If an authenticated user installs a malicious package then a directory could be created and the developer shell could be enabled.
- Record
GHSA-mqp4-vc38-m2mf- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-3976 is a high vulnerability (CVSS 8.8) in Mikrotik Routeros, published October 28, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.68%, the 76th percentile. No source names a fixed version.