{"id":7885,"date":"2025-07-08T22:54:52","date_gmt":"2025-07-08T22:54:52","guid":{"rendered":"http:\/\/localhost\/?p=7885"},"modified":"2025-07-08T22:54:52","modified_gmt":"2025-07-08T22:54:52","slug":"fnkvision-fnk-gu2-uart-interface-on-chip-debug-and-test-interface-with-improper-access-control","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=7885","title":{"rendered":"FNKvision FNK-GU2 UART Interface on-chip debug and test interface with improper access control"},"content":{"rendered":"<div style=\"font-family: Arial, sans-serif; max-width: 1200px; margin: 0 auto;\">\n<h2 style=\"color: #333; border-bottom: 2px solid #ffcc00; padding-bottom: 10px;\">CVE Details<\/h2>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 20px;\">\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);\">\n<h3 style=\"margin-top: 0; \">Basic Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Title<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">FNKvision FNK-GU2 UART Interface on-chip debug and test interface with improper access control<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Type<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">cve<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Published<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">2025-07-09T03:02:05.807Z<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Modified<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">2025-07-09T03:02:05.807Z<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);\">\n<h3 style=\"margin-top: 0; \">Product Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Vendor<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">FNKvision<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Product<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">FNK-GU2<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Version<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">40.1.0<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px;\">\n<h3 style=\"margin-top: 0; \">CVSS Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Base Score<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd; color: #ffcc00; font-weight: bold;\">5.4 (MEDIUM)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Attack Vector<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">CVSS:4.0\/AV:P\/AC:H\/AT:N\/PR:N\/UI:N\/VC:H\/VI:H\/VA:H\/SC:N\/SI:N\/SA:N\/E:P<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div style=\"padding: 15px; border-radius: 5px; margin-bottom: 20px;\">\n<h4 style=\"margin-top: 0; \">Affected Products<\/h4>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li>FNKvision FNK-GU2 40.1.0<\/li>\n<li>FNKvision FNK-GU2 40.1.1<\/li>\n<li>FNKvision FNK-GU2 40.1.2<\/li>\n<li>FNKvision FNK-GU2 40.1.3<\/li>\n<li>FNKvision FNK-GU2 40.1.4<\/li>\n<li>FNKvision FNK-GU2 40.1.5<\/li>\n<li>FNKvision FNK-GU2 40.1.6<\/li>\n<li>FNKvision FNK-GU2 40.1.7<\/li>\n<\/ul>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px;\">\n<h3 style=\"margin-top: 0; \">Additional Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">CWE List<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">CWE-1191<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Source<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">VulDB<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px;\">\n<h3 style=\"margin-top: 0; \">Description<\/h3>\n<div style=\"padding: 15px; border-left: 4px solid #4CAF50; \">A vulnerability classified as critical has been found in FNKvision FNK-GU2 up to 40.1.7. Affected is an unknown function of the component UART Interface. The manipulation leads to on-chip debug and test interface with improper access control. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.<\/div>\n<\/div>\n<div style=\"padding: 15px; border-radius: 5px; margin-bottom: 20px;\">\n<h4 style=\"margin-top: 0; \">References<\/h4>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li><a href=\"https:\/\/vuldb.com\/?id.315162\" target=\"_blank\">https:\/\/vuldb.com\/?id.315162<\/a><\/li>\n<li><a href=\"https:\/\/vuldb.com\/?ctiid.315162\" target=\"_blank\">https:\/\/vuldb.com\/?ctiid.315162<\/a><\/li>\n<li><a href=\"https:\/\/vuldb.com\/?submit.608025\" target=\"_blank\">https:\/\/vuldb.com\/?submit.608025<\/a><\/li>\n<li><a href=\"https:\/\/medium.com\/@pundhapat\/sqli-in-the-cloud-root-on-the-board-a-beginners-journey-into-iot-hacking-06efb2539a21\" target=\"_blank\">https:\/\/medium.com\/@pundhapat\/sqli-in-the-cloud-root-on-the-board-a-beginners-journey-into-iot-hacking-06efb2539a21<\/a><\/li>\n<\/ul>\n<\/div>\n<div style=\"text-align: center; margin-top: 30px;\">\n<a href=\"\" target=\"_blank\" style=\"display: inline-block; background-color: #4CAF50; color: white; padding: 12px 24px; text-decoration: none; border-radius: 4px; font-weight: bold; transition: background-color 0.3s;\">View Full CVE Details<\/a>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CVE Details Basic Information Title FNKvision FNK-GU2 UART Interface on-chip debug and test interface with improper access control Type cve Published 2025-07-09T03:02:05.807Z Modified 2025-07-09T03:02:05.807Z Product&#8230;<\/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":[6,8,82,12,21,13,7,11,5],"class_list":["post-7885","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-54","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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