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CVE-2026-76640 (GCVE-0-2026-76640)

Vulnerability from nvd – Published: 2026-08-27 17:52 – Updated: 2026-08-28 15:53

Title

Unitree G1 EDU 1.5.2 BLE GATT RCE via WiFi Provisioning Stack

Summary

Unitree G1 EDU firmware through 1.5.2 contains multiple chained vulnerabilities in the BLE GATT server and WiFi provisioning stack that allow unauthenticated proximate attackers to achieve root code execution without pairing or credentials by exploiting an unquoted heredoc variable in the WiFi provisioning script and a buffer overflow in the SSID chunk accumulator. Attackers can send crafted BLE writes to overflow a fixed BSS buffer across BLE connections, corrupting an adjacent mainloop function pointer dispatch entry that is subsequently invoked by the cleanup path passing attacker-controlled data to system() as uid 0.

Severity

7.7 (High)


                        
                          CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-28 15:53 UTC

CWE

CWE-787 - Out-of-bounds Write
CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://boschko.ca/g1-ble-rce/	technical-descriptionexploit
https://github.com/OlivierLaflamme/UniBLEed	exploit
https://www.vulncheck.com/advisories/unitree-g1-e…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Unitree Robotics	G1 EDU	Affected: 0 , ≤ 1.5.2 (semver)

Date Public

2026-08-27 00:00

Credits

Olivier Laflamme

Show details on NVD website

JSON

To clipboard

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CVE-2026-76639 (GCVE-0-2026-76639)

Vulnerability from nvd – Published: 2026-08-27 17:51 – Updated: 2026-08-31 18:56

Title

Unitree G1 EDU 1.5.2 Unauthenticated RCE via DDS Bridge and Path Traversal

Summary

Unitree G1 EDU firmware through 1.5.2 contains an unauthenticated remote code execution vulnerability that allows network-adjacent attackers to execute arbitrary commands as root by chaining three weaknesses: an unauthenticated WebRTC-to-DDS bridge on TCP port 9991, a static AES-128 key stored with world-readable permissions, and a path traversal flaw in the chat_go knowledge upload API. Attackers can publish DDS control messages to restart the bashrunner service, plant a malicious payload in its script execution directory via path traversal, and trigger execution of that payload as uid 0 through the bashrunner shell subprocess.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-31 16:06 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://boschko.ca/g1-ble-rce/	technical-descriptionexploit
https://github.com/OlivierLaflamme/UniBLEed	exploit
https://www.vulncheck.com/advisories/unitree-g1-e…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Unitree Robotics	G1 EDU	Affected: 0 , ≤ 1.5.2 (semver)

Date Public

2026-08-27 00:00

Credits

Olivier Laflamme

Show details on NVD website

JSON

To clipboard

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CVE-2026-76640 (GCVE-0-2026-76640)

Vulnerability from cvelistv5 – Published: 2026-08-27 17:52 – Updated: 2026-08-28 15:53

Title

Unitree G1 EDU 1.5.2 BLE GATT RCE via WiFi Provisioning Stack

Summary

Unitree G1 EDU firmware through 1.5.2 contains multiple chained vulnerabilities in the BLE GATT server and WiFi provisioning stack that allow unauthenticated proximate attackers to achieve root code execution without pairing or credentials by exploiting an unquoted heredoc variable in the WiFi provisioning script and a buffer overflow in the SSID chunk accumulator. Attackers can send crafted BLE writes to overflow a fixed BSS buffer across BLE connections, corrupting an adjacent mainloop function pointer dispatch entry that is subsequently invoked by the cleanup path passing attacker-controlled data to system() as uid 0.

Severity

7.7 (High)


                        
                          CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-28 15:53 UTC

CWE

CWE-787 - Out-of-bounds Write
CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://boschko.ca/g1-ble-rce/	technical-descriptionexploit
https://github.com/OlivierLaflamme/UniBLEed	exploit
https://www.vulncheck.com/advisories/unitree-g1-e…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Unitree Robotics	G1 EDU	Affected: 0 , ≤ 1.5.2 (semver)

Date Public

2026-08-27 00:00

Credits

Olivier Laflamme

Show details on NVD website

JSON

To clipboard

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CVE-2026-76639 (GCVE-0-2026-76639)

Vulnerability from cvelistv5 – Published: 2026-08-27 17:51 – Updated: 2026-08-31 18:56

Title

Unitree G1 EDU 1.5.2 Unauthenticated RCE via DDS Bridge and Path Traversal

Summary

Unitree G1 EDU firmware through 1.5.2 contains an unauthenticated remote code execution vulnerability that allows network-adjacent attackers to execute arbitrary commands as root by chaining three weaknesses: an unauthenticated WebRTC-to-DDS bridge on TCP port 9991, a static AES-128 key stored with world-readable permissions, and a path traversal flaw in the chat_go knowledge upload API. Attackers can publish DDS control messages to restart the bashrunner service, plant a malicious payload in its script execution directory via path traversal, and trigger execution of that payload as uid 0 through the bashrunner shell subprocess.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-31 16:06 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://boschko.ca/g1-ble-rce/	technical-descriptionexploit
https://github.com/OlivierLaflamme/UniBLEed	exploit
https://www.vulncheck.com/advisories/unitree-g1-e…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Unitree Robotics	G1 EDU	Affected: 0 , ≤ 1.5.2 (semver)

Date Public

2026-08-27 00:00

Credits

Olivier Laflamme

Show details on NVD website

JSON

To clipboard

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Find a vulnerability

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4 vulnerabilities found for G1 EDU by Unitree Robotics

CVE-2026-76640 (GCVE-0-2026-76640)

CVE-2026-76639 (GCVE-0-2026-76639)

CVE-2026-76640 (GCVE-0-2026-76640)

CVE-2026-76639 (GCVE-0-2026-76639)