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TP-Link Archer BE3600 CVE-2026-78541

| EUVDEUVD-2026-65062 HIGH
OS Command Injection (CWE-78)
2026-08-24 TPLink GHSA-3p5q-gg9q-4336
Command Injection TP-Link Archer Be3600 V1
8.5
CVSS 4.0 · Vendor: TPLink
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Severity by source

Vendor (TPLink) PRIMARY
8.5 HIGH
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/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
vuln.today AI
6.8 MEDIUM

Adjacent network and admin credentials required; stored injection triggers asynchronously in a scheduled job yielding full device compromise with unchanged scope.

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

Primary rating from Vendor (TPLink).

CVSS VectorVendor: TPLink

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/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
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Aug 24, 2026 - 19:06 vuln.today
CVE Published
Aug 24, 2026 - 18:26 cve.org
HIGH 8.5

DescriptionCVE.org

A stored OS command injection vulnerability exists in the parent-control module of TP-Link Archer BE3600 V1. An authenticated adjacent attacker with administrative access may store a crafted profile name containing shell metacharacters, which is later processed unsafely during daily cloud report generation and may result in arbitrary command execution.

Successful exploitation may allow command execution on the affected device with potential impact to device confidentiality, integrity, and availability.

AnalysisAI

Stored OS command injection in the TP-Link Archer BE3600 V1 parent-control module allows an authenticated administrative attacker on the adjacent network to achieve arbitrary command execution on the device. The payload is persisted at configuration time-embedded in a crafted profile name-and fires asynchronously when the router's daily cloud report generation job runs, without any further attacker interaction. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Gain admin credentials on local network
Delivery
Navigate to parent-control profile configuration
Exploit
Store crafted profile name with shell metacharacters
Install
Payload persisted in device firmware storage
C2
Daily cloud report generation job fires
Execute
Unsanitized profile name passed to OS shell
Impact
Arbitrary command execution with device privileges
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Vulnerability AssessmentAI

Exploitation Exploitation requires three specific, concurrent conditions: (1) the attacker must be on the adjacent network (LAN or WiFi segment of the router-not reachable from the internet without prior LAN access); (2) the attacker must be authenticated as an administrator of the router (PR:H); and (3) the parent-control module must be accessible and the cloud report generation feature must be active, as this is the specific processing path that unsafely handles the stored profile name. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 8.5 with vector AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L accurately reflects the real-world constraints. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has obtained administrative credentials to the TP-Link Archer BE3600 V1-through credential reuse, a weak default password, or compromise of another LAN device-logs into the router management interface from the local network and creates a parental-control profile with a name containing shell metacharacters and an embedded command payload. The malicious profile name is saved to device storage. …
Remediation The primary remediation is to apply the vendor-released firmware patch available at https://www.tp-link.com/us/support/download/archer-be3600/v1.26/#Firmware (US region) or https://www.tp-link.com/en/support/download/archer-be3600/v1/#Firmware (global), per the TP-Link security advisory at https://www.tp-link.com/us/support/faq/5264/. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, inventory all TP-Link Archer BE3600 V1 devices and restrict administrative credentials to trusted personnel only. …

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CVE-2026-78541 vulnerability details – vuln.today
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