{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-11553: Tenda HG7HG9/HG10 formPPPEdit stack-based overflow","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-11553","status":"final","version":"1","initial_release_date":"2026-06-08T17:15:11.855Z","current_release_date":"2026-06-08T18:49:14.135Z","revision_history":[{"date":"2026-06-08T17:15:11.855Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-11553 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-11553"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-11553"},{"category":"external","summary":"VDB-369163 | Tenda HG7HG9/HG10 formPPPEdit stack-based overflow","url":"https://vuldb.com/vuln/369163"},{"category":"external","summary":"VDB-369163 | CTI Indicators (IOB, IOC, IOA)","url":"https://vuldb.com/vuln/369163/cti"},{"category":"external","summary":"CVE-2026-11553 | CVE Analysis and Report","url":"https://vuldb.com/cve/CVE-2026-11553"},{"category":"external","summary":"Submit #836778 | Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon stack-based buffer overflow","url":"https://vuldb.com/submit/836778"},{"category":"external","summary":"github.com","url":"https://github.com/xiezhihua-1127/Tenda-Stack-Overflow.git"},{"category":"external","summary":"github.com","url":"https://github.com/xiezhihua-1127/Tenda-Stack-Overflow/blob/main/report.md"},{"category":"external","summary":"tenda.com.cn","url":"https://www.tenda.com.cn/"}]},"product_tree":{"branches":[{"category":"vendor","name":"Tenda","branches":[{"category":"product_name","name":"HG7HG9","branches":[{"category":"product_version","name":"300001138_en_xpon","product":{"name":"Tenda HG7HG9 300001138_en_xpon","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:tenda:hg7hg9:300001138_en_xpon:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Tenda","branches":[{"category":"product_name","name":"HG10","branches":[{"category":"product_version","name":"300001138_en_xpon","product":{"name":"Tenda HG10 300001138_en_xpon","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:tenda:hg10:300001138_en_xpon:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-11553","title":"Tenda HG7HG9/HG10 formPPPEdit stack-based overflow","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"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","baseScore":8.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1","CSAFPID-2"]}]}]}