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TP-Link Omada Routers CVE-2025-6542

CRITICAL
OS Command Injection (CWE-78)
2025-10-21 f23511db-6c3e-4e32-a477-6aa17d310630
9.3
CVSS 4.0 · Vendor: f23511db-6c3e-4e32-a477-6aa17d310630
View

Attack ChainAIDerived

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

  1. Access
    Reach router management/service interface
  2. Exploit
    Send crafted request with injected OS command
  3. Execution
    Command executed without authentication
  4. Impact
    Gain full control of gateway device

Vulnerability Assessment

Weakness
CWE
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.

Exploitation Conditions

Per the CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) there are no special preconditions at the protocol level - remote unauthenticated command execution against affected TP-Link Omada router firmware. The practical limiting factor is network reachability to the vulnerable service: these are gateway/router appliances whose management interface is typically LAN-facing and not exposed to the internet by default, so exploitation generally requires access to the device's administrative/service network path (adjacent LAN, compromised internal host, or a router with a WAN-exposed management interface). The description names no specific feature, protocol, or non-default setting, and provides no indication that a particular configuration mode must be enabled; this should be confirmed against Omada advisory 108455.

Impact

All severity signals point the same direction at the technical level: the CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N with VC:H/VI:H/VA:H) describes a remote, unauthenticated, low-complexity OS command injection (CWE-78) yielding full confidentiality, integrity, and availability impact - a textbook critical (9.3). However, the real-world urgency signals are more moderate and partly conflicting. The vulnerability is NOT on the CISA KEV list and no public exploit was identified in the provided data, so there is no evidence of active exploitation. EPSS is only 1.01% (63rd percentile), which is low-to-moderate and does not indicate imminent mass exploitation - consistent with the absence of public POC code. No SSVC decision data was provided. The net picture: a high-impact flaw class (unauthenticated RCE on network edge devices is historically attractive to botnets and APTs once weaponized) but currently without confirmed exploitation or published exploit, so it is a patch-soon priority driven by potential rather than observed risk. Note: the description is extremely terse and names no specific vulnerable feature, so the PR:N/AC:L claims cannot be independently corroborated against a described attack path - verify the exploitation prerequisites with the vendor advisory.

Exploit ScenarioDerived

A remote attacker with network reachability to the management/service interface of an affected TP-Link Omada router sends a crafted request whose input is passed unsanitized into an OS command, causing arbitrary commands to run on the device. No authentication or user interaction is required per the CVSS vector, giving the attacker control of the gateway. No public exploit code was identified at the time of analysis.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 18, 2026

Unauthenticated OS command injection in TP-Link Omada router firmware lets remote attackers execute arbitrary OS commands on affected ER605, ER7206, ER707-M2, ER7412-M2, ER8411 and other listed models, with high confidentiality, integrity, and availability impact. The CVSS 4.0 vector is 9.3 with AV:N/AC:L/AT:N/PR:N/UI:N, reflecting a network-reachable, low-complexity, unauthenticated attack when the vulnerable management/service interface is reachable. No public exploit code or CISA KEV entry was identified at time of analysis; EPSS is 1.01% (63rd percentile).

RemediationAI

Apply the fixed firmware release identified in Omada advisory https://support.omadanetworks.com/en/document/108455/; the input data does not provide an exact fixed version number, so verify the model-specific firmware there before upgrading. Until patched, restrict router management and service interfaces to trusted LANs/VLANs, block WAN-side access to administrative ports, and firewall management access from untrusted segments; the trade-off is reduced remote administration convenience. Segment affected routers from general user networks and monitor for unexpected command or shell activity; these are compensating controls and do not replace firmware update.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

CVE-2025-6542 is a CWE-78 OS command injection flaw in TP-Link/Omada router firmware. CPE data identifies TP-Link ER8411 firmware (including 1.3.3), ER7412-M2 firmware (including 1.1.0), ER707-M2 firmware (including 1.3.1), ER7206 firmware (including 2.2.2), and ER605 firmware (including 2.3.1), with source tags also naming ER706W, ER706W 4G, ER7212PC, FR365, G36, G611, FR205, and FR307-M2 models. The root-cause class is unsanitized input being passed to an OS shell, but the available data does not identify the specific service, protocol, or endpoint. The CVSS 4.0 vector indicates remote, unauthenticated, low-complexity exploitation; the practical limiting factor is network reachability to the router's management/service interface, which is typically LAN-facing rather than internet-exposed by default.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (f23511db-6c3e-4e32-a477-6aa17d310630) PRIMARY 9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
vuln.today AI 9.8 CRITICAL

Description states remote unauthenticated OS command execution, so AV:N/AC:L/PR:N/UI:N; command execution on the device yields full C/I/A impact with no scope change.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (f23511db-6c3e-4e32-a477-6aa17d310630).

CVSS VectorVendor: f23511db-6c3e-4e32-a477-6aa17d310630

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

An arbitrary OS command may be executed on the product by a remote unauthenticated attacker.

Executive ViewAI

Why It Matters

TP-Link Omada routers, including ER605, ER7206, ER707-M2, ER7412-M2, and ER8411, carry a critical unauthenticated command-injection exposure that could allow an attacker reaching the management/service interface to take control of network edge devices and disrupt, intercept, or alter business connectivity. No vendor-released patch identified at time of analysis and no public exploit identified at time of analysis, but the network-reachable, low-complexity nature of the flaw makes exposed management interfaces a priority risk. Leadership should care because compromise of these routers can affect branch operations, remote access, and network segmentation that underpin day-to-day business services.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis; restrict management/service interface exposure to trusted networks, disable remote administration and unused services, enforce firewall/ACL allowlists, segment Omada routers from business networks, monitor logs for anomalous command execution, and deploy emergency firmware updates when TP-Link releases a fix.

Threat Intelligence Overview

EPSS Score
1.0%
Top 37% exploitable
Prevalence
Medium
TP-Link Omada SMB/SOHO business routers, common but not universally deployed
Data Quality
3 sources
Confidence: Low

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 CRITICAL
CISA KEV No
Public POC No
EPSS 1.0%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:o:tp-link:er8411_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er8411_firmware:1.3.3:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:er7412-m2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er7412-m2_firmware:1.1.0:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:er707-m2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er707-m2_firmware:1.3.1:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:er7206_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er7206_firmware:2.2.2:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:er605_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er605_firmware:2.3.1:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:er706w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er706w_firmware:1.2.1:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:er706w-4g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er706w-4g_firmware:1.2.1:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:er7212pc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:er7212pc_firmware:2.1.3:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:g36_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:g36_firmware:1.1.4:-:*:*:*:*:*:*
cpe:2.3:o:tp-link:g611_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:g611_firmware:1.2.2:-:*:*:*:*:*:*
+ 6 more

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