{"id":"CVE-2026-11553","aliases":["EUVD-2026-35175","GHSA-wf5q-f55f-rq8w"],"status":"published","title":"Tenda HG7/HG9/HG10 formPPPEdit stack-based overflow","description":"A vulnerability was found in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00477,"percentile":0.41717,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119","CWE-121"],"published":"2026-06-08T17:15:11Z","modified":"2026-10-02T04:18:05Z","exploits":[{"source":"pocgithub","id":"gduma-phData/patch-CVE-2026-11553","title":"gduma-phData/patch-CVE-2026-11553","date":"2026-08-24","url":"https://github.com/gduma-phData/patch-CVE-2026-11553"}],"products":[{"vendor":"tenda","product":"hg10"},{"vendor":"tenda","product":"hg7"},{"vendor":"tenda","product":"hg9"}],"references":[{"url":"https://vuldb.com/vuln/369163","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/369163/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-11553","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/836778","tags":["third-party-advisory"]},{"url":"https://github.com/xiezhihua-1127/Tenda-Stack-Overflow.git","tags":["related"]},{"url":"https://github.com/xiezhihua-1127/Tenda-Stack-Overflow/blob/main/report.md","tags":["exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11553"},{"url":"https://www.tenda.com.cn"},{"url":"https://github.com/advisories/GHSA-wf5q-f55f-rq8w"}],"sources":{"cve":[{"id":"CVE-2026-11553","title":"Tenda HG7/HG9/HG10 formPPPEdit stack-based overflow","description":"A vulnerability was found in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-06-08T17:15:11.855Z","modified":"2026-10-02T03:49:03.652Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"high","assessor":"cna"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"high","assessor":"cna"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-121","CWE-119"],"updated_at":"2026-11-02T14:20:05.15083Z"}],"euvd":[{"id":"EUVD-2026-35175","description":"A vulnerability was found in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-06-08T17:15:11Z","modified":"2026-10-02T03:49:03Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"high"}],"updated_at":"2026-11-02T17:27:43.593551Z"}],"ghsa":[{"id":"GHSA-wf5q-f55f-rq8w","title":"A vulnerability was found in Tenda HG7HG9 and HG10 300001138_en_xpon. This affects the function...","description":"A vulnerability was found in Tenda HG7HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-06-08T18:31:53Z","modified":"2026-06-08T18:32:02Z","cvss":[{"version":"4.0","score":7.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:08:39.337223Z"}],"nvd":[{"id":"CVE-2026-11553","description":"A vulnerability was found in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-06-08T18:16:32.48Z","modified":"2026-10-02T04:18:05.47Z","cvss":[{"version":"4.0","score":7.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"secondary"}],"cwes":["CWE-119","CWE-121"],"updated_at":"2026-11-02T14:12:22.73178Z"}]}}