Fh451 Firmware
CVE-2025-44176
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 1.29%. |
| Exploit ScenarioDerived | A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAIv1 – Mar 28, 2026
Tenda FH451 V1.0.0.9 is vulnerable to Remote Code Execution in the formSafeEmailFilter function. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Tenda FH451 V1.0.0.9 is vulnerable to Remote Code Execution in the formSafeEmailFilter function. Affected products include: Tenda Fh451 Firmware.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
Tenda FH451 V1.0.0.9 is vulnerable to Remote Code Execution in the formSafeEmailFilter function.
Executive ViewAI
Organizations using Tenda FH451 V1.0.0.9 should be aware of notable risk from CVE-2025-44176, a command injection vulnerability rated CVSS 6.5. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)CVE.org
More in Fh451 Firmware
View allTenda FH451 v1.0.0.9 has a command injection vulnerability in the formexeCommand function i. Rated critical severity (CV
Tenda FH451 v1.0.0.9 has a stack overflow vulnerability located in the RouteStatic function. Rated critical severity (CV
CVE-2025-7434 is a critical stack-based buffer overflow vulnerability in Tenda FH451 wireless routers (versions up to 1.
CVE-2025-7506 is a critical stack-based buffer overflow vulnerability in Tenda FH451 router firmware version 1.0.0.9, ex
CVE-2025-7505 is a critical stack-based buffer overflow vulnerability in Tenda FH451 v1.0.0.9 affecting the HTTP POST re
Buffer overflow in Tenda FH451 firmware versions up to 1.0.0.9 allows authenticated remote attackers to achieve code exe
Stack overflow in Tenda FH451 firmware's setcfm function allows authenticated remote attackers to achieve complete syste
Remote code execution in Tenda FH451 firmware via stack-based buffer overflow in the WAN configuration endpoint allows u
Tenda FH451 v1.0.0.9 has a stack overflow vulnerability in the fromDhcpListClient function. Rated high severity (CVSS 7.
Tenda FH451 V1.0.0.9 has a stack overflow vulnerability in the function.frmL7ImForm. Rated medium severity (CVSS 6.5), t
A vulnerability classified as problematic was found in Tenda FH451, FH1201, FH1202 and FH1206 up to 20241129. Rated medi
A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Rated high severity (CVSS 8.7), this vulne
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