CVE-2026-38426

CVE-2026-38426: Tasmota fetchjpg boundary40 における strcpy スタックバッファオーバーフロー CVE: CVE-2026-38426 深刻度: 緊急 CVSS 9.8 製品: Arendst Tasmota 影響を受けるバージョン: 39 chars char cp = strchrboundary.cstr, '='; if cp strcpyglobscriptmem.jpgtask.boundary, cp + 1; // NO LENGTH CHECK — OVERFLOW! ヒープメモリレイアウト ESP32...

CVE-2026-38422

CVE-2026-38422: Ejecución remota de código mediante desbordamientos de búfer combinados en Tasmota fetchjpg CVE: CVE-2026-38422 Gravedad: Crítica CVSS 9.8 Producto: Arendst Tasmota Versión afectada: = 15.3.0.3 Archivo: tasmota/tasmotaxdrvdriver/xdrv10scripter.ino Función: fetchjpg Autor:...

CVE-2026-38427

CVE-2026-38427: Tasmota fetchjpg における整数ラップアラウンド → ヒープバッファオーバーフロー CVE: CVE-2026-38427 深刻度: 緊急 CVSS 9.8 製品: Arendst Tasmota 影響を受けるバージョン: = 15.3.0.3 ファイル: tasmota/tasmotaxdrvdriver/xdrv10scripter.ino 関数: fetchjpg — ケース 2 MJPEGフレーム取得 著者: Saidakbarxon Maxsudxonov 開示: 責任ある開示 — 公開前にTasmotaへ報告済み 概要...

CVE-2026-38426

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv10scripter.ino, fetchjpg, jpgtask.boundary40, strcpy function...

CVE-2026-38427

An issue in fetchjpg in xdrv10scripter.ino in Tasmota through 15.3.0.3 allows a remote attacker to cause heap buffer overflow. The Content-Length from a JPEG stream is stored in a uint16t variable; values above 65535 wrap around, causing allocation of a smaller buffer than the data actually read...

CVE-2026-38422

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the tasmota/tasmotaxdrvdriver/xdrv10scripter.ino, fetchjpg function...

CVE-2026-38427

An issue in fetchjpg in xdrv10scripter.ino in Tasmota through 15.3.0.3 allows a remote attacker to cause heap buffer overflow. The Content-Length from a JPEG stream is stored in a uint16t variable; values above 65535 wrap around, causing allocation of a smaller buffer than the data actually read...

CVE-2026-38422

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the tasmota/tasmotaxdrvdriver/xdrv10scripter.ino, fetchjpg function...

CVE-2026-38426

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv10scripter.ino, fetchjpg, jpgtask.boundary40, strcpy function...

PT-2026-43709

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the tasmota/tasmota xdrv driver/xdrv 10 scripter.ino, fetch jpg function...

CVE-2026-38422

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the tasmota/tasmotaxdrvdriver/xdrv10scripter.ino, fetchjpg function...

CVE-2026-38422

CVE-2026-38422 targets arendst Tasmota (v

CVE-2026-38427

CVE-2026-38427 : In Tasmota up to 15.3.0.3, fetch_jpg() in xdrv_10_scripter.ino stores the JPEG Content-Length in a uint16_t. Values > 65535 wrap around, causing allocation of a smaller heap buffer than the data read and a heap buffer overflow. This enables a remote attacker over the network t...

CVE-2026-38427

An issue in fetchjpg in xdrv10scripter.ino in Tasmota through 15.3.0.3 allows a remote attacker to cause heap buffer overflow. The Content-Length from a JPEG stream is stored in a uint16t variable; values above 65535 wrap around, causing allocation of a smaller buffer than the data actually read...

CVE-2026-38427

An issue in fetchjpg in xdrv10scripter.ino in Tasmota through 15.3.0.3 allows a remote attacker to cause heap buffer overflow. The Content-Length from a JPEG stream is stored in a uint16t variable; values above 65535 wrap around, causing allocation of a smaller buffer than the data actually read...

CVE-2026-38422

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the tasmota/tasmotaxdrvdriver/xdrv10scripter.ino, fetchjpg function...

Tasmota 安全漏洞

Tasmota is an IoT device firmware and automation control platform developed by Theo Arends. Versions of Tasmota prior to 15.3.0.3 contained security vulnerabilities. These vulnerabilities were caused by a buffer overflow in the fetchjpg function found in the...

CVE-2026-38426

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv10scripter.ino, fetchjpg, jpgtask.boundary40, strcpy function...

Tasmota 安全漏洞

Tasmota is an IoT device firmware and automation control platform developed by Theo Arends. Versions of Tasmota prior to 15.3.0.3 contained security vulnerabilities. These vulnerabilities stemmed from a buffer overflow in the strcopy function within the fetchjpg function in the xdrv10scripter.ino...

CVE-2026-38426

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv10scripter.ino, fetchjpg, jpgtask.boundary40, strcpy function...