CVE-2025-53540— CSRF Vulnerability in Firmware Update Endpoints Allows Remote Code Execution
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I. Basic Information for CVE-2025-53540
Vulnerability Information
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Vulnerability Title
CSRF Vulnerability in Firmware Update Endpoints Allows Remote Code Execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers. Several OTA update examples and the HTTPUpdateServer implementation are vulnerable to Cross-Site Request Forgery (CSRF). The update endpoints accept POST requests for firmware uploads without CSRF protection. This allows an attacker to upload and execute arbitrary firmware, resulting in remote code execution (RCE). This vulnerability is fixed in 3.2.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
arduino-esp32 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
arduino-esp32是Espressif开源的一个用于 ESP32、ESP32-S2、ESP32-S3、ESP32-C3、ESP32-C6 和 ESP32-H2 的 Arduino 内核。 arduino-esp32 3.2.1之前版本存在跨站请求伪造漏洞，该漏洞源于更新端点接受POST请求时未进行CSRF保护，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| espressif | arduino-esp32 | < 3.2.1 | - |
II. Public POCs for CVE-2025-53540
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: espressif
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ESF-IDF Has Use-after-free Vulnerability in BLE Provisioning - CVE-2026-25532
ESF-IDF is Vulnerable to WPS Enrollee Fragment Integer Under - CVE-2025-68657
espressif/usb_host_hid Double-Free Race Condition in USB Hos
Same weakness: CWE-352
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Emlog: Cross-Site Request Forgery in Admin Functions
V. Comments for CVE-2025-53540
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