{“lastseen”:””,”description”:”A command\\ninjection vulnerability has been identified in the DHCP option processing logic\\nin multiple TP-Link router models, due to insufficient validation of externally\\nsupplied DHCP option data.\u00a0An adjacent attacker may exploit this\\nvulnerability by supplying crafted DHCP responses, potentially resulting in unauthorized\\ncommand execution during device initialization or provisioning workflows. This\\ntypically occurs when the device is in a factory-default or unconfigured state.\\n\\n\\n\\n\\n\\nSuccessful\\nexploitation may allow an adjacent, unauthenticated attacker to execute\\narbitrary commands with elevated privileges, potentially leading to full\\ncompromise of the affected device and unauthorized administrative control.”,”published”:”2026-06-22T17:53:48.436Z”,”modified”:”2026-06-22T18:25:03.149Z”,”type”:”cve”,”title”:”Unauthenticated Command Injection via DHCP Option Handling in Multiple TP-Link Routers”,”source”:”TPLink”,”references”:”https:\/\/www.tp-link.com\/en\/support\/download\/archer-c20\/\\nhttps:\/\/www.tp-link.com\/en\/support\/download\/archer-mr402\/#Firmware\\nhttps:\/\/www.tp-link.com\/en\/support\/download\/archer-mr200\/#Firmware\\nhttps:\/\/www.tp-link.com\/en\/support\/download\/tl-mr6400\/v7\/#Firmware\\nhttps:\/\/www.tp-link.com\/en\/support\/download\/archer-vr2100\/#Firmware\\nhttps:\/\/www.tp-link.com\/us\/support\/download\/archer-c20\/\\nhttps:\/\/www.tp-link.com\/us\/support\/faq\/5141\/”,”id”:”CVE-2026-11834″,”bulletinFamily”:””,”cwe”:[“CWE-78″],”cvelist”:null,”sourceData”:”TP-Link Systems Inc. Archer MR200 v07 0\\nTP-Link Systems Inc. Archer MR200 v8 0\\nTP Link Systems Inc. Archer MR402 v1 0\\nTP-Link Systems Inc. Archer VR2100 v1 0\\nTP-Link Systems Inc. Archer C20 v5 0\\nTP-Link Systems Inc. Archer C20 v5 0\\nTP-Link Systems Inc. Archer C20 v6 0\\nTP-Link Systems Inc. TL-MR6400 v7 0″,”sourceHref”:””,”cvss”:{“score”:8.7,”severity”:”HIGH”,”vector”:”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”,”version”:”4.0″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”Archer MR200 v07″,”version”:”0″,”vendor”:”TP-Link Systems Inc.”,”ai_description”:”Unauthenticated command injection vulnerability in TP-Link routers via DHCP option handling”,”ai_severity”:”High”,”ai_vendor”:”TP-Link”,”ai_product”:”Archer series routers”,”ai_version”:”v07, v08, v1.0, v5.0, v6.0, v7.0″,”ai_score”:8.7}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:””,”description”:”A command\\ninjection vulnerability has been identified in the DHCP option processing logic\\nin multiple TP-Link router models, due to insufficient validation of externally\\nsupplied DHCP option data.\u00a0An…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,19,12,15,13,7,11,5],"class_list":["post-64869","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-87","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n