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2 vulnerabilities found for TL-MR6400 v5.3 by TP-Link Systems Inc.
CVE-2026-3841 (GCVE-0-2026-3841)
Vulnerability from nvd – Published: 2026-03-12 17:25 – Updated: 2026-03-13 14:35
VLAI
EPSS
VEX
Title
Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400
Summary
A command injection vulnerability has been identified in the Telnet command-line interface (CLI) of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute arbitrary system commands. Successful exploitation may lead to full device compromise, including potential loss of confidentiality, integrity, and availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/en/support/download/tl-mr… | patch |
| https://www.tp-link.com/us/support/faq/5016/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | TL-MR6400 v5.3 |
Affected:
0 , < 1.9.0 Build 260108
(custom)
|
Credits
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CVE-2026-3841 (GCVE-0-2026-3841)
Vulnerability from cvelistv5 – Published: 2026-03-12 17:25 – Updated: 2026-03-13 14:35
VLAI
EPSS
VEX
Title
Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400
Summary
A command injection vulnerability has been identified in the Telnet command-line interface (CLI) of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute arbitrary system commands. Successful exploitation may lead to full device compromise, including potential loss of confidentiality, integrity, and availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/en/support/download/tl-mr… | patch |
| https://www.tp-link.com/us/support/faq/5016/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | TL-MR6400 v5.3 |
Affected:
0 , < 1.9.0 Build 260108
(custom)
|
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