Cve-2026-5021 — CraftedSignal Threat Feedhttps://feed.craftedsignal.io/tags/cve-2026-5021/Trending threats, MITRE ATT&CK coverage, and detection metadata — refreshed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioSun, 29 Mar 2026 02:16:17 +0000Tenda F453 Stack-Based Buffer Overflow Vulnerability (CVE-2026-5021)https://feed.craftedsignal.io/briefs/2026-03-tenda-f453-overflow/Sun, 29 Mar 2026 02:16:17 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-03-tenda-f453-overflow/A stack-based buffer overflow vulnerability in Tenda F453 1.0.0.3 allows a remote attacker to execute arbitrary code by manipulating the 'delno' argument in the fromPPTPUserSetting function of the /goform/PPTPUserSetting component's httpd process.A stack-based buffer overflow vulnerability, identified as CVE-2026-5021, has been discovered in Tenda F453 router version 1.0.0.3. This vulnerability resides within the fromPPTPUserSetting function of the /goform/PPTPUserSetting component, specifically in the httpd process. The vulnerability can be triggered by manipulating the delno argument. Successful exploitation allows remote attackers to potentially execute arbitrary code on the affected device. Publicly available exploit code…

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