Insecure Upgrade Mechanism in RouterOS by MikroTik
CVE-2019-3977

7.5HIGH

Key Information:

Vendor

Mikrotik

Status
Mikrotik Routeros
Vendor
CVE Published:
29 October 2019

What is CVE-2019-3977?

MikroTik's RouterOS contains a vulnerability in its autoupgrade feature where it fails to properly validate the source of upgrade packages. This flaw allows a remote attacker to exploit the system by enticing the router to download an older version, potentially leading to the reset of all system usernames and passwords, compromising network security.

Affected Version(s)

MikroTik RouterOS RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below.

References

https://www.tenable.com/security/research/tra-2019-46
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.