{"schemaVersion":3,"id":"CVE-2025-11117","aliases":[],"status":"published","duplicateOf":null,"title":"Tenda CH22 GstDhcpSetSer formWrlExtraGet buffer overflow","description":"A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formWrlExtraGet of the file /goform/GstDhcpSetSer. This manipulation of the argument dips causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.","dates":{"published":"2025-09-28T19:32:06.992Z","modified":"2025-09-29T12:56:12.820Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"CVE.org","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.7,"severity":"high","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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.8,"severity":"high","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","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":8.8,"severity":"high","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","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"CVE.org","score":9,"severity":"high","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":7.4,"severity":"high","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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9,"severity":"high","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00817,"percentile":0.56689,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":0.01799999999999996,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.00799},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00817,"percentile":0.56689}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00799,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00817,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00817,"percentile":0.56689}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"GITHUB_ZHAOYINSHAN_CVE","name":"Cve","source":"github","url":"https://github.com/zhaoyinshan/CVE/issues/2","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"},{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","description":"The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/120.html"}],"affected":[{"vendor":"tenda","product":"ch22_firmware","name":"ch22 firmware","label":"ch22_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.0.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.0.1","eol":null,"hubHref":"/vendor/tenda/ch22"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://vuldb.com/?id.326198","label":"vuldb.com?id.326198","hostname":"vuldb.com","tags":["VDB Entry","Technical Description","Third Party Advisory"]},{"url":"https://vuldb.com/?ctiid.326198","label":"vuldb.com?ctiid.326198","hostname":"vuldb.com","tags":["Signature","Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?submit.662927","label":"vuldb.com?submit.662927","hostname":"vuldb.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://github.com/zhaoyinshan/CVE/issues/2","label":"github.com/zhaoyinshan/CVE/issues/2","hostname":"github.com","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://www.tenda.com.cn/","label":"www.tenda.com.cn","hostname":"www.tenda.com.cn","tags":["Product"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2025-09-28T19:32:06.992Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-09-29T12:56:12.820Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T18:29:00.272Z","stale":false,"partial":false}}