CVE-2023-39471

TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: May 3, 2024 at 02:10 AM UTC
Updated: June 17, 2026 at 06:12 AM UTC
4 products affected across 1 vendorTl WR841N FirmwareTl WR840N FirmwareTL-WR841N

Using TL-WR841N by TP-Link?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ated_tp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21825.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 231121
Affected range stops below 231121, so it looks safe — our inference, not a vendor statement
tp-link-tl-wr840n (same device)
v < 231119
Affected range stops below 231119, so it looks safe — our inference, not a vendor statement
v < 14v < 2311194.19
Affected range stops below 14, so it looks safe — our inference, not a vendor statement
Affected range stops below 231119, so it looks safe — our inference, not a vendor statement
v < 6.2
Affected range stops below 6.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78CWE-77

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