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CVE-2026-67673

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OreSat Firmware是OreSat的一套基于ChibiOS的CubeSat板载固件。 OreSat Firmware 1.0版本存在安全漏洞，该漏洞源于cmd_edl函数在处理edl fw_flash命令时未对filename参数进行长度验证，通过memcpy复制到64字节栈缓冲区导致栈缓冲区溢出，攻击者可通过UART3串行接口发送恶意构造的超大filename参数触发该漏洞。

AI Predicted 5.5 Difficulty: Easy EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-67673

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability exists in the cmd_edl function of OreSat Firmware v1.0. The vulnerability is triggered when processing the edl fw_flash command, where the <filename> argument is copied to a 64-byte stack buffer via memcpy without proper length validation. An attacker with physical access to the UART3 serial interface can exploit this vulnerability by sending a maliciously crafted command with an oversized filename parameter,
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
OreSat Firmware 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OreSat Firmware是OreSat的一套基于ChibiOS的CubeSat板载固件。 OreSat Firmware 1.0版本存在安全漏洞，该漏洞源于cmd_edl函数在处理edl fw_flash命令时未对filename参数进行长度验证，通过memcpy复制到64字节栈缓冲区导致栈缓冲区溢出，攻击者可通过UART3串行接口发送恶意构造的超大filename参数触发该漏洞。
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
- n/a n/a -

II. Public POCs for CVE-2026-67673

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III. Intelligence Information for CVE-2026-67673

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Other References for CVE-2026-67673 (1)

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IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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