{"id":"CVE-2026-105778","published":"2026-10-06T07:16:56Z","modified":"2026-10-06T18:16:46Z","title":"A vulnerability has been found in Tenda AC5 02.03.01.111_multi","vendor":"Tenda","product":"AC5","tier":"core","eol":null,"description":{"text":"A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by this issue is some unknown functionality of the file /goform/setWifi of the component Wifi Handler. Such manipulation of the argument wifiPwd leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","provenance":"source","from":"NVD"},"summary":{"text":"A stack-based buffer overflow exists in the Wifi Handler component of the Tenda AC5 router firmware (version 02.03.01.111_multi), triggered via the wifiPwd argument of the /goform/setWifi functionality. An attacker with network access can exploit it remotely, and the attack requires low-privilege authentication to the device with no user interaction needed.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:18:38Z"},"cvss":{"score":9.9,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00476,"percentile":0.41155,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"},{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"references":[{"url":"https://github.com/raisecnull/Tenda-AC5v3-BOF/blob/main/blog.md","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-105778","tags":[]},{"url":"https://vuldb.com/submit/992587","tags":[]},{"url":"https://vuldb.com/vuln/413811","tags":[]},{"url":"https://vuldb.com/vuln/413811/cti","tags":[]},{"url":"https://www.tenda.com.cn/","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-92987","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-92987","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-06","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105778","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":15.2,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":8.23,"detail":"percentile 0.4116"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.93,"detail":"base score 9.9"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}