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    CVE-2026-4554

    A security flaw has been discovered in Tenda F453 1.0.0.3. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

    Published:Mar 22, 2026
    Last Modified:Apr 3, 2026
    EPS:Mar 22, 2026
    EPSS Score:0.00839
    CVSS Score:6.3

    Affected Products

    Vendor
    Tenda
    Product
    F453
    Vendor
    Tenda
    Product
    F453 Firmware

    Exploits

    https://github.com/Litengzheng/vul_db/blob/main/F453/vul_95/README.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-105 HTTP Request Splitting
    CAPEC-108 Command Line Execution through SQL Injection
    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-15 Command Delimiters
    CAPEC-183 IMAP/SMTP Command Injection
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-248 Command Injection
    CAPEC-250 XML Injection
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-273 HTTP Response Smuggling
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-34 HTTP Response Splitting
    CAPEC-40 Manipulating Writeable Terminal Devices
    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-51 Poison Web Service Registry
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    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-75 Manipulating Writeable Configuration Files
    CAPEC-76 Manipulating Web Input to File System Calls
    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-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2026-6989 (CVSS 2.1) — A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /…
    CVE-2026-5021 (CVSS 7.4) — A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromPPTPUserSetting of the file /goform…
    CVE-2026-4553 (CVSS 7.4) — A vulnerability was identified in Tenda F453 1.0.0.3. Impacted is the function fromNatlimit of the file /gofor…
    CVE-2026-4552 (CVSS 7.4) — A vulnerability was determined in Tenda F453 1.0.0.3. This issue affects the function fromVirtualSer of the fi…
    CVE-2026-4551 (CVSS 7.4) — A vulnerability was found in Tenda F453 1.0.0.3. This vulnerability affects the function fromSafeClientFilter …
    CVE-2026-3769 (CVSS 7.4) — A vulnerability was detected in Tenda F453 1.0.0.3. Affected by this issue is the function WrlclientSet of the…
    CVE-2026-3768 (CVSS 7.4) — A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the functi…
    CVE-2026-3732 (CVSS 7.4) — A security vulnerability has been detected in Tenda F453 1.0.0.3. This affects the function strcpy of the file…
    CVE-2026-3729 (CVSS 7.4) — A vulnerability was identified in Tenda F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the fil…
    CVE-2026-3728 (CVSS 7.4) — A vulnerability was determined in Tenda F453 1.0.0.3/1.If. This issue affects the function fromSetCfm of the f…

    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