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    CVE-2025-0178

    An Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker with network access to manipulate the value of the HTTP Host header in requests sent to the Web UI. An attacker could exploit this vulnerability to redirect users to malicious websites, poison the web cache, or inject malicious JavaScript into responses sent by the Web UI.

    Published:Feb 14, 2025
    Last Modified:Aug 8, 2026
    EPS:Feb 14, 2025
    EPSS Score:0.00224
    CVSS Score:6.1

    Affected Products

    Vendor
    Watchguard
    Product
    Firebox M270
    Vendor
    Watchguard
    Product
    Firebox M290
    Vendor
    Watchguard
    Product
    Firebox M370
    Vendor
    Watchguard
    Product
    Firebox M390
    Vendor
    Watchguard
    Product
    Firebox M440
    Vendor
    Watchguard
    Product
    Firebox M4600
    Vendor
    Watchguard
    Product
    Firebox M470
    Vendor
    Watchguard
    Product
    Firebox M4800
    Vendor
    Watchguard
    Product
    Firebox M5600
    Vendor
    Watchguard
    Product
    Firebox M570
    Vendor
    Watchguard
    Product
    Firebox M5800
    Vendor
    Watchguard
    Product
    Firebox M590
    Vendor
    Watchguard
    Product
    Firebox M670
    Vendor
    Watchguard
    Product
    Firebox M690
    Vendor
    Watchguard
    Product
    Firebox Nv5
    Vendor
    Watchguard
    Product
    Firebox T15
    Vendor
    Watchguard
    Product
    Firebox T20
    Vendor
    Watchguard
    Product
    Firebox T25
    Vendor
    Watchguard
    Product
    Firebox T35
    Vendor
    Watchguard
    Product
    Firebox T40
    Vendor
    Watchguard
    Product
    Firebox T45
    Vendor
    Watchguard
    Product
    Firebox T55
    Vendor
    Watchguard
    Product
    Firebox T70
    Vendor
    Watchguard
    Product
    Firebox T80
    Vendor
    Watchguard
    Product
    Firebox T85
    Vendor
    Watchguard
    Product
    Fireboxcloud
    Vendor
    Watchguard
    Product
    Fireboxv
    Vendor
    Watchguard
    Product
    Fireware
    Vendor
    Watchguard
    Product
    Fireware Os

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-20 Improper Input Validation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-104 Cross Zone Scripting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-136 LDAP Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-153 Input Data Manipulation
    CAPEC-182 Flash Injection
    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-22 Exploiting Trust in Client
    CAPEC-23 File Content Injection
    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-261 Fuzzing for garnering other adjacent user/sensitive data
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-473 Signature Spoof
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-664 Server Side Request Forgery
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-81 Web Server Logs Tampering
    CAPEC-83 XPath Injection
    CAPEC-85 AJAX Footprinting
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2026-13050 (CVSS 8.6) — An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated p…
    CVE-2026-8247 (CVSS 7.7) — An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the sa…
    CVE-2026-13084 (CVSS 8.7) — A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker…
    CVE-2026-13368 (CVSS 9.2) — WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authenticat…
    CVE-2026-13722 (CVSS 8.6) — WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/res…
    CVE-2026-13371 (CVSS 6.9) — An authenticated administrator can trigger a denial-of-service condition in the Fireware Management Web UI by …
    CVE-2026-3987 (CVSS 8.6) — A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged …
    CVE-2026-4315 (CVSS 7.1) — A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote att…
    CVE-2026-4266 (CVSS 8.4) — An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write…
    CVE-2026-3344 (CVSS 6.9) — A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity…

    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