CVE-2026-3841
8.5
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TP-Link Systems Inc. | TL-MR6400 v5.3 | 0 < 1.9.0 Build 260108 | affected |
Weaknesses
- CWE-78: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware
- https://www.tp-link.com/us/support/faq/5016/
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.