{"cve":"CVE-2022-27022","nvd":{"published":"2022-04-07T16:15:07.667","modified":"2026-06-17T04:36:18.583","status":"Modified","description":"There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787"],"references":["https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/14","https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/14"],"products":["tenda:ac9_firmware"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2022-27022","score":0.01692,"percentile":0.77089,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}