Fh451 Firmware
CVE-2025-5080
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.7 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 1.18%. |
| Exploit ScenarioDerived | A remote attacker could corrupt memory to execute arbitrary code or crash the application by sending crafted requests to the affected application. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Mar 28, 2026
A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, 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 memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.
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 Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function webExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Affected products include: Tenda Fh451 Firmware.
Know when Fh451 Firmware gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function webExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Executive ViewAI
Organizations using A vulnerability classified as critical face significant risk from CVE-2025-5080, a buffer overflow vulnerability rated CVSS 8.7. Exploitation could allow attackers to corrupt memory, crash the application, or potentially execute arbitrary code. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.
Threat Intelligence Overview
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
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
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 is vulnerable to Remote Code Execution in the formSafeEmailFilter function. Rated medium severity (
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
GitHub PoC
Exploit-DB