{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-15356","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2025-12-30T07:25:12.438Z","datePublished":"2025-12-30T20:32:08.560Z","dateUpdated":"2026-02-24T06:19:20.131Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-02-24T06:19:20.131Z"},"title":"Tenda AC20 PowerSaveSet sscanf buffer overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-120","lang":"en","description":"Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"Tenda","product":"AC20","versions":[{"version":"16.03.08.0","status":"affected"},{"version":"16.03.08.1","status":"affected"},{"version":"16.03.08.2","status":"affected"},{"version":"16.03.08.3","status":"affected"},{"version":"16.03.08.4","status":"affected"},{"version":"16.03.08.5","status":"affected"},{"version":"16.03.08.6","status":"affected"},{"version":"16.03.08.7","status":"affected"},{"version":"16.03.08.8","status":"affected"},{"version":"16.03.08.9","status":"affected"},{"version":"16.03.08.10","status":"affected"},{"version":"16.03.08.11","status":"affected"},{"version":"16.03.08.12","status":"affected"}],"cpes":["cpe:2.3:o:tenda:ac20_firmware:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.7,"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","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":8.8,"vectorString":"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","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":8.8,"vectorString":"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","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2025-12-30T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-12-30T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-12-31T13:38:52.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"xuanyu (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.338742","name":"VDB-338742 | Tenda AC20 PowerSaveSet sscanf buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.338742","name":"VDB-338742 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.726360","name":"Submit #726360 | Tenda Tenda AC20 V16.03.08.12 Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/xyh4ck/iot_poc/tree/main/Tenda%20AC20_Buffer_Overflow","tags":["broken-link","exploit"]},{"url":"https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC20_Buffer_Overflow/Tenda%20AC20_Buffer_Overflow.md#poc","tags":["broken-link","exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-30T21:31:04.426434Z","id":"CVE-2025-15356","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-12-30T21:31:11.375Z"}}]}}