Which versions of Tenda are affected by CVE-2026-4554?

Organizations using A security flaw should be aware of moderate risk from CVE-2026-4554, a command injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2026-4554?

Yes, a public proof-of-concept exploit is available for CVE-2026-4554. Prioritise patching immediately. EPSS: 2.7%.

Tenda CVE-2026-4554

Q: What is the CVSS score of CVE-2026-4554?

CVE-2026-4554 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 2.7%.

EUVD-2026-14327 LOW

Command Injection (CWE-77)

2026-03-22 VulDB

GHSA-gh64-hffv-c24x

Command Injection Tenda

2.1

CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

PoC Detected

Apr 03, 2026 - 11:32 vuln.today

Public exploit code

EUVD ID Assigned

Mar 22, 2026 - 17:00 euvd

EUVD-2026-14327

Analysis Generated

Mar 22, 2026 - 17:00 vuln.today

CVE Published

Mar 22, 2026 - 16:51 nvd

MEDIUM 5.3

DescriptionNVD

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.

AnalysisAI

Unauthenticated attackers can execute arbitrary commands on Tenda F453 routers (version 1.0.0.3) by injecting malicious input through the mac parameter in the /goform/WriteFacMac endpoint. Public exploit code exists for this vulnerability, enabling remote code execution with minimal attack complexity. …

RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-4554 vulnerability details – vuln.today

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