CVE-2026-22212

MEDIUM EPSS 2.8%
Published Jan 12, 20265mo ago · Modified Jun 17, 20262w ago
4.8 CVSS 4.0
Medium
Find Similar
Published Jan 12, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

Description

TinyOS versions up to and including 2.1.2 contain a stack-based buffer overflow vulnerability in the mcp2200gpio utility. The vulnerability is caused by unsafe use of strcpy() and strcat() functions when constructing device paths during automatic device discovery. A local attacker can exploit this by creating specially crafted filenames under /dev/usb/, leading to stack memory corruption and application crashes.

CVSS Details

Base Score
4.8
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
2.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-121

References 3

  • github.com https://github.com/tinyos/tinyos-main
  • seclists.org https://seclists.org/fulldisclosure/2026/Jan/14
  • vulncheck.com https://www.vulncheck.com/advisories/tinyos-stack-based-buffer-overflow-in-mcp2200gpio

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.