8.5
HIGH CVSS 4.0
CVE-2026-102294
Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration
Description

TP-Link TL-WR841N contains an authenticated OS command injection vulnerability in the IPv6 WAN configuration. A crafted IPv6 Gateway value is improperly incorporated into a system command, allowing an authenticated administrator to execute arbitrary operating system commands.  Successful exploitation may allow unauthorized access to sensitive information, modification of device configuration or services, and disruption of device operation.

INFO

Published Date :

Oct. 1, 2026, 6:17 p.m.

Last Modified :

Oct. 1, 2026, 8:36 p.m.

Remotely Exploit :

No

Source :

f23511db-6c3e-4e32-a477-6aa17d310630
Affected Products

The following products are affected by CVE-2026-102294 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link tl-wr841n
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 HIGH f23511db-6c3e-4e32-a477-6aa17d310630
CVSS 4.0 HIGH f23511db-6c3e-4e32-a477-6aa17d310630
Solution
Patch the device to fix the authenticated OS command injection vulnerability in IPv6 WAN configuration.
  • Update the firmware on the TP-Link device.
  • Avoid using untrusted IPv6 Gateway values.
  • Review system commands for proper input sanitization.
  • Restrict administrative access to trusted users.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-102294.

URL Resource
https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware
https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware
https://www.tp-link.com/us/support/faq/5320/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-102294 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-102294 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-102294 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by f23511db-6c3e-4e32-a477-6aa17d310630

    Oct. 01, 2026

    Action Type Old Value New Value
    Added Description TP-Link TL-WR841N contains an authenticated OS command injection vulnerability in the IPv6 WAN configuration. A crafted IPv6 Gateway value is improperly incorporated into a system command, allowing an authenticated administrator to execute arbitrary operating system commands.  Successful exploitation may allow unauthorized access to sensitive information, modification of device configuration or services, and disruption of device operation.
    Added CVSS V4.0 AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
    Added CWE CWE-78
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/102xxx/CVE-2026-102294.json">CVE-2026-102294</a>
    Added Reference https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware
    Added Reference https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware
    Added Reference https://www.tp-link.com/us/support/faq/5320/
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 01, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-102294', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-10-01T17:48:15.761569Z'}
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.