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4 vulnerabilities found for RIOT OS by RIOT
CVE-2026-22214 (GCVE-0-2026-22214)
Vulnerability from nvd – Published: 2026-01-12 23:03 – Updated: 2026-05-14 02:09
VLAI
Title
RIOT OS <= 2026.01-devel-317 Stack-Based Buffer Overflow in ethos Serial Frame Parser
Summary
RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the ethos utility due to missing bounds checking when processing incoming serial frame data. The vulnerability occurs in the _handle_char() function, where incoming frame bytes are appended to a fixed-size stack buffer without verifying that the current write index remains within bounds. An attacker capable of sending crafted serial or TCP-framed input can cause the current write index to exceed the buffer size, resulting in a write past the end of the stack buffer. This condition leads to memory corruption and application crash.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://seclists.org/fulldisclosure/2026/Jan/16 | technical-descriptionexploit |
| https://www.riot-os.org/ | product |
| https://github.com/RIOT-OS/RIOT | product |
| https://www.vulncheck.com/advisories/riot-os-stac… | third-party-advisory |
Impacted products
Credits
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CVE-2026-22213 (GCVE-0-2026-22213)
Vulnerability from nvd – Published: 2026-01-12 23:03 – Updated: 2026-05-14 02:09
VLAI
Title
RIOT OS <= 2026.01-devel-317 Stack-Based Buffer Overflow in tapslip6 Utility
Summary
RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the tapslip6 utility. The vulnerability is caused by unsafe string concatenation in the devopen() function, which constructs a device path using unbounded user-controlled input. The utility uses strcpy() and strcat() to concatenate the fixed prefix '/dev/' with a user-supplied device name provided via the -s command-line option without bounds checking. This allows an attacker to supply an excessively long device name and overflow a fixed-size stack buffer, leading to process crashes and memory corruption.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://seclists.org/fulldisclosure/2026/Jan/15 | technical-descriptionexploit |
| https://www.riot-os.org/ | product |
| https://github.com/RIOT-OS/RIOT | product |
| https://www.vulncheck.com/advisories/riot-os-stac… | third-party-advisory |
Impacted products
Credits
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CVE-2026-22214 (GCVE-0-2026-22214)
Vulnerability from cvelistv5 – Published: 2026-01-12 23:03 – Updated: 2026-05-14 02:09
VLAI
Title
RIOT OS <= 2026.01-devel-317 Stack-Based Buffer Overflow in ethos Serial Frame Parser
Summary
RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the ethos utility due to missing bounds checking when processing incoming serial frame data. The vulnerability occurs in the _handle_char() function, where incoming frame bytes are appended to a fixed-size stack buffer without verifying that the current write index remains within bounds. An attacker capable of sending crafted serial or TCP-framed input can cause the current write index to exceed the buffer size, resulting in a write past the end of the stack buffer. This condition leads to memory corruption and application crash.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://seclists.org/fulldisclosure/2026/Jan/16 | technical-descriptionexploit |
| https://www.riot-os.org/ | product |
| https://github.com/RIOT-OS/RIOT | product |
| https://www.vulncheck.com/advisories/riot-os-stac… | third-party-advisory |
Impacted products
Credits
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CVE-2026-22213 (GCVE-0-2026-22213)
Vulnerability from cvelistv5 – Published: 2026-01-12 23:03 – Updated: 2026-05-14 02:09
VLAI
Title
RIOT OS <= 2026.01-devel-317 Stack-Based Buffer Overflow in tapslip6 Utility
Summary
RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the tapslip6 utility. The vulnerability is caused by unsafe string concatenation in the devopen() function, which constructs a device path using unbounded user-controlled input. The utility uses strcpy() and strcat() to concatenate the fixed prefix '/dev/' with a user-supplied device name provided via the -s command-line option without bounds checking. This allows an attacker to supply an excessively long device name and overflow a fixed-size stack buffer, leading to process crashes and memory corruption.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://seclists.org/fulldisclosure/2026/Jan/15 | technical-descriptionexploit |
| https://www.riot-os.org/ | product |
| https://github.com/RIOT-OS/RIOT | product |
| https://www.vulncheck.com/advisories/riot-os-stac… | third-party-advisory |
Impacted products
Credits
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