جزئیات آسیبپذیری
CVE-2026-11834
Unauthenticated Command Injection via DHCP Option Handling in Multiple TP-Link Routers
شرح رسمی (انگلیسی)
A command injection vulnerability has been identified in the DHCP option processing logic in multiple TP-Link router models, due to insufficient validation of externally supplied DHCP option data. An adjacent attacker may exploit this vulnerability by supplying crafted DHCP responses, potentially resulting in unauthorized command execution during device initialization or provisioning workflows. This typically occurs when the device is in a factory-default or unconfigured state. Successful exploitation may allow an adjacent, unauthenticated attacker to execute arbitrary commands with elevated privileges, potentially leading to full compromise of the affected device and unauthorized administrative control.
امتیازهای CVSS
| امتیاز | نسخه | منبع | بردار |
|---|---|---|---|
| 8.7بالا | 4.0 | CVEProject cvelistV5 (CNA) (TPLink) | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
محصولات آسیبپذیر
| فروشنده | محصول | نسخهها | منبع |
|---|---|---|---|
| TP-Link Systems Inc. | Archer C20 v5 | v < EU_V5_260317 | CVEProject cvelistV5 (CNA) |
| TP-Link Systems Inc. | Archer C20 v5 | v < US_V5_260419 | CVEProject cvelistV5 (CNA) |
| TP-Link Systems Inc. | Archer C20 v6 | v < V6_260608 | CVEProject cvelistV5 (CNA) |
| TP-Link Systems Inc. | Archer MR200 v07 | v < 1.3.0 Build 250605 | CVEProject cvelistV5 (CNA) |
| TP-Link Systems Inc. | Archer MR200 v8 | v < 1.5.0 Build 260605 | CVEProject cvelistV5 (CNA) |
| TP-Link Systems Inc. | Archer MR402 v1 | v < 1.5.0 Build 260605 | CVEProject cvelistV5 (CNA) |
| TP-Link Systems Inc. | Archer VR2100 v1 | v < EU_V1_260330 | CVEProject cvelistV5 (CNA) |
| TP-Link Systems Inc. | TL-MR6400 v7 | v < 1.7.0 Build 260413 | CVEProject cvelistV5 (CNA) |
منابع و راهنماها
۸- https://www.tp-link.com/en/support/download/archer-c20/ patch
- https://www.tp-link.com/en/support/download/archer-mr402/#Firmware patch
- https://www.tp-link.com/en/support/download/archer-mr200/#Firmware patch
- https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware patch
- https://www.tp-link.com/en/support/download/archer-vr2100/#Firmware patch
- https://www.tp-link.com/us/support/download/archer-c20/ patch
- https://www.tp-link.com/us/support/faq/5141/ vendor-advisory
- https://mattg.systems/posts/cve-2026-11834/
اطلاعات
- تاریخ انتشار
- ۱۴۰۵/۰۴/۰۱
- آخرین بهروزرسانی
- ۱۴۰۵/۰۴/۰۶
- وضعیت
- منتشرشده
- صادرکننده (CNA)
- TPLink
پیشبینی بهرهبرداری (EPSS)
ارزیابی SSVC (CISA)
- قابل خودکارسازی
- خیر
- وضعیت بهرهبرداری
- ندارد
- اثر فنی
- کامل
ضعفها (CWE)
- CWE-78Improper neutralization of special elements used in an OS command ('OS command injection')