What is the CVSS score of CVE-2026-0654?

CVE-2026-0654 has a CVSS 3.1 base score of 8.0 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-0654?

Within 24 hours: Inventory all TP-Link Deco BE25 v1.0 devices in your network and restrict administrative access to trusted networks only. Within 7 days: Implement network segmentation to isolate affected devices and disable remote administration features if not operationally critical. Within 30 days: Develop a device replacement plan or establish a vendor timeline for patch availability; evaluate alternative mesh networking solutions if patch delivery is delayed beyond 60 days.

Deco Be25 Firmware CVE-2026-0654

HIGH

OS Command Injection (CWE-78)

2026-03-02 f23511db-6c3e-4e32-a477-6aa17d310630

Command Injection TP-Link Deco Be25 Firmware

8.0

CVSS 3.1 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Authenticate to administration interface
Exploit

Upload crafted configuration file
Execution

Inject OS commands via input parser
Impact

Execute arbitrary commands as device root

Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Exploitation Conditions	Authenticated access to TP-Link Deco BE25 v1.0 administration web interface required. Attacker must be on adjacent network segment (AV:A). Affected versions: v1.0 through v1.1.1 Build 20250822. Configuration file upload functionality must be accessible to authenticated users.
Impact	CVSS 8.0 (HIGH). Attack vector: Adjacent Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitation requires authentication.
Exploit ScenarioDerived	An attacker (requires authentication) could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Arbitrary command execution in TP-Link Deco BE25 firmware v1.0 through v1.1.1 Build 20250822 stems from improper input validation in the web administration interface, allowing authenticated adjacent attackers to inject OS commands via malicious configuration files. Successful exploitation grants full control over the affected device with complete compromise of confidentiality, integrity, and availability. No patch is currently available.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 8.0

Improper input handling in the administration web interface on TP-Link Deco BE25 v1.0 allows crafted input to be executed as part of an OS command. [CVSS 8.0 HIGH]

RemediationAI

Monitor vendor advisories for a patch.

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

Classified as CWE-78 (OS Command Injection). Affects the administration web component of Deco Be25 Firmware. Improper input handling in the administration web interface on TP-Link Deco BE25 v1.0 allows crafted input to be executed as part of an OS command. An authenticated adjacent attacker may execute arbitrary commands via crafted configuration file, impacting confidentiality, integrity and availability of the device. This issue affects Deco BE25 v1.0: through 1.1.1 Build 20250822.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.0 HIGH

AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Improper input handling in the administration web interface on TP-Link Deco BE25 v1.0 allows crafted input to be executed as part of an OS command. An authenticated adjacent attacker may execute arbitrary commands via crafted configuration file, impacting confidentiality, integrity and availability of the device. This issue affects Deco BE25 v1.0: through 1.1.1 Build 20250822.

Executive ViewAI

Why It Matters

A high-severity command injection vulnerability in TP-Link Deco BE25 mesh routers allows attackers to execute arbitrary operating system commands through the administration interface. Organizations using these devices face potential network compromise, data exfiltration, and infrastructure disruption, with no vendor patch currently available.

Business Impact: High

Compensating Controls

Disable remote administration access and restrict web interface access to trusted internal IP ranges only; implement network segmentation to limit lateral movement from compromised routers; monitor administrative interface logs for suspicious activity; consider deploying a WAF in front of the administration interface if accessible externally; disable unnecessary features on the affected devices; evaluate replacing affected units with alternative vendors pending patch availability.

Threat Intelligence Overview

EPSS Score

0.1%

Top 79% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.