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    CVE-2017-2894

    An exploitable stack buffer overflow vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. A specially crafted MQTT SUBSCRIBE packet can cause a stack buffer overflow resulting in remote code execution. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

    Published:Nov 7, 2017
    Last Modified:Apr 20, 2025
    EPS:Nov 7, 2017
    EPSS Score:0.12155
    CVSS Score:9.8

    Affected Products

    Vendor
    Cesanta
    Product
    Mongoose

    Exploits

    https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0401https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0401

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-73253 (CVSS 9.1) — Mongoose is an embedded web server and network library. Prior to version 7.22, an on-path network attacker wit…
    CVE-2026-73255 (CVSS 6.5) — Mongoose is an embedded web server and network library. Prior to 7.22, an attacker who can control an SSI-enab…
    CVE-2026-73259 (CVSS 5.4) — Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can send a crafted pe…
    CVE-2026-73256 (CVSS 9.1) — Mongoose is an embedded web server and network library. Prior to 7.22, a remote unauthenticated attacker can e…
    CVE-2026-73254 (CVSS 5.4) — Mongoose is an embedded web server and network library. Prior to 7.22, an attacker who can create a file with …
    CVE-2026-73258 (CVSS 6.5) — Mongoose is an embedded web server and network library. Prior to 7.22, a remote attacker can place a lone carr…
    CVE-2026-73251 (CVSS 9.3) — Mongoose is an embedded web server and network library. Prior to 7.23, a network attacker can impersonate a TL…
    CVE-2026-73257 (CVSS 9.1) — Mongoose is an embedded web server and network library. Priro to version 7.22, a remote unauthenticated attack…
    CVE-2026-11404 (CVSS 8.7) — Cesanta Mongoose before 7.22 contains an out-of-bounds read in the built-in TLS server function mg_tls_server_…
    CVE-2026-6986 (CVSS 2.9) — A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This issue affects the function mg_…

    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