CVE-2019-3924

HIGH
7.5
CVSS Score
Published: February 20, 2019 at 08:00 PM UTC
Updated: June 17, 2026 at 02:35 AM UTC
1 product affected across 1 vendorRouterOS

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Severity
HIGH7.5
Exploit prediction
EPSS 16%

Description

MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability. The software will execute user defined network requests to both WAN and LAN clients. A remote unauthenticated attacker can use this vulnerability to bypass the router's firewall or for general network scanning activities.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 6.42.11v < 6.42.12v < 6.43.12
Affected range stops below 6.42.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.43.12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/107177
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/46444/
x_refsource_MISCExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2019-07

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-441

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