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    CVE-2019-16160

    An integer underflow in the SMB server of MikroTik RouterOS before 6.45.5 allows remote unauthenticated attackers to crash the service.

    Published:Oct 7, 2020
    Last Modified:Nov 21, 2024
    EPS:Oct 7, 2020
    EPSS Score:0.01234
    CVSS Score:7.5

    Affected Products

    Vendor
    Mikrotik
    Product
    Routeros

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-86060 (CVSS 9.2) — RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohib…
    CVE-2026-67281 (CVSS 8.7) — RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocat…
    CVE-2026-67279 (CVSS 6.9) — RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was…
    CVE-2026-67278 (CVSS 6.3) — MikroTik RouterOS accepts malformed RSA/PKCS#1 v1.5 signatures during X.509 validation. Because its trust stor…
    CVE-2026-67277 (CVSS 8.8) — RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentic…
    CVE-2026-67276 (CVSS 9.2) — RouterOS does not compare the complete RSA public key when matching an SSH authentication request to an author…
    CVE-2026-14227 (CVSS 6.9) — An API session‑management flaw in products with the MikroTik RouterOS API enabled are vulnerable to a Insuffic…
    CVE-2026-16347 (CVSS 8.7) — MikroTik RouterOS contains a weakness in its API authentication handling that lacks effective safeguards again…
    CVE-2026-39042 (CVSS 7.5) — An issue in MikroTIk (SIA Mikrotikls, Latvia) RouterOS 7.21.x before v.7.21.4 and 7.22.x before v.7.22.2 allow…
    CVE-2024-27686 (CVSS 7.5) — Mikrotik RouterOS (x86) 6.40.5 through 6.49.10 (fixed in 7) allows a remote attacker to cause a denial of serv…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High