CVE-2026-16348
Command Injection Vulnerability in VPN connection of Archer BE800
Description
An authenticated command injection vulnerability in TP-Link Archer BE800 V1 allows an attacker with administrative access to execute arbitrary system commands with root privileges by injecting shell metacharacters via a VPN connection. Successful exploitation may enable persistent backdoors, credential theft, LAN reconnaissance, and router-assisted attacks against connected devices.
INFO
Published Date :
Aug. 24, 2026, 6:16 p.m.
Last Modified :
Aug. 28, 2026, 7:02 p.m.
Remotely Exploit :
No
Source :
f23511db-6c3e-4e32-a477-6aa17d310630
Affected Products
The following products are affected by CVE-2026-16348
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.
No affected product recoded yet
CVSS Scores
| 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
- Update the router firmware to the latest version.
- Secure VPN configurations to prevent command injection.
- Restrict administrative access and monitor for suspicious activity.
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-2026-16348.
| URL | Resource |
|---|---|
| https://www.tp-link.com/en/support/download/archer-be800/v1/#Firmware | |
| https://www.tp-link.com/us/support/download/archer-be800/v1/#Firmware | |
| https://www.tp-link.com/us/support/faq/5264/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16348 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16348
weaknesses.
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-2026-16348 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16348 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 25, 2026
Action Type Old Value New Value Changed SSVC {'id': 'CVE-2026-16348', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-24T17:49:06.006065Z'} {'id': 'CVE-2026-16348', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-24T00:00:00+00:00'} -
New CVE Received by f23511db-6c3e-4e32-a477-6aa17d310630
Aug. 24, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'TP-Link Systems Inc.', 'modules': ['vpn connection'], 'product': 'Archer BE800 v1', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '1.4.2 Build 260708', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] Added Description An authenticated command injection vulnerability in TP-Link Archer BE800 V1 allows an attacker with administrative access to execute arbitrary system commands with root privileges by injecting shell metacharacters via a VPN connection. Successful exploitation may enable persistent backdoors, credential theft, LAN reconnaissance, and router-assisted attacks against connected devices. Added CVSS V4.0 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 Added CWE CWE-78 Added Reference https://www.tp-link.com/en/support/download/archer-be800/v1/#Firmware Added Reference https://www.tp-link.com/us/support/download/archer-be800/v1/#Firmware Added Reference https://www.tp-link.com/us/support/faq/5264/ -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 24, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-16348', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-24T17:49:06.006065Z'}