{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/92974?format=json","vulnerability_id":"VCID-7a9z-s242-a7cu","summary":"A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this vulnerability is the function strcpy of the file /goform/saveParentControlInfo. The manipulation of the argument Time leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.","aliases":[{"alias":"CVE-2025-8940"}],"fixed_packages":[],"affected_packages":[],"references":[{"reference_url":"https://vuldb.com/?ctiid.319903","reference_id":"?ctiid.319903","reference_type":"","scores":[{"value":"9","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"},{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"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"},{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"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"},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"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"},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T12:13:16Z/"}],"url":"https://vuldb.com/?ctiid.319903"},{"reference_url":"https://vuldb.com/?id.319903","reference_id":"?id.319903","reference_type":"","scores":[{"value":"9","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"},{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"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"},{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"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"},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"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"},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T12:13:16Z/"}],"url":"https://vuldb.com/?id.319903"},{"reference_url":"https://vuldb.com/?submit.631836","reference_id":"?submit.631836","reference_type":"","scores":[{"value":"9","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"},{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"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"},{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"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"},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"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"},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T12:13:16Z/"}],"url":"https://vuldb.com/?submit.631836"},{"reference_url":"https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md","reference_id":"Tenda%20AC20-2.md","reference_type":"","scores":[{"value":"9","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"},{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"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"},{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"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"},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"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"},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T12:13:16Z/"}],"url":"https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md"},{"reference_url":"https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md#poc","reference_id":"Tenda%20AC20-2.md#poc","reference_type":"","scores":[{"value":"9","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"},{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"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"},{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"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"},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"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"},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T12:13:16Z/"}],"url":"https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md#poc"},{"reference_url":"https://www.tenda.com.cn/","reference_id":"www.tenda.com.cn","reference_type":"","scores":[{"value":"9","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"},{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"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"},{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"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"},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"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"},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T12:13:16Z/"}],"url":"https://www.tenda.com.cn/"}],"weaknesses":[{"cwe_id":119,"name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer."},{"cwe_id":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, leading to a buffer overflow."}],"exploits":[],"severity_range_score":"8.7 - 9.0","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-7a9z-s242-a7cu"}