CVE-2025-35027: b2 Command Injection — Exploit

Description

Multiple robotic products by Unitree sharing a common firmware, including the Go2, G1, H1, and B2 devices, contain a command injection vulnerability. By setting a malicious string when configuring the on-board WiFi via a BLE module of an affected robot, then triggering a restart of the WiFi service, an attacker can ultimately trigger commands to be run as root via the wpa_supplicant_restart.sh shell script. All Unitree models use firmware derived from the same codebase (MIT Cheetah), and the two major forks are the G1 (humanoid) and Go2 (quadruped) branches.

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CVSS v3.1 Score

7.3

HIGH

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

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
unitree	g1_firmware	< 1.4.4
unitree	g1	All
unitree	go2_firmware	< 1.1.8
unitree	go2	All
unitree	h1_firmware	< 1.4.4
unitree	h1	All
unitree	b2_firmware	< 1.1.8
unitree	b2	All

References

Exploits

https://github.com/Bin4ry/UniPwn https://takeonme.org/cves/cve-2025-35027 https://github.com/Bin4ry/UniPwn

Other References

https://spectrum.ieee.org/unitree-robot-exploit https://www.cve.org/cverecord?id=CVE-2025-60017 https://www.cve.org/cverecord?id=CVE-2025-60250 https://x.com/committeeonccp/status/1971250635548033311

Frequently Asked Questions

What is CVE-2025-35027? +

Multiple robotic products by Unitree sharing a common firmware, including the Go2, G1, H1, and B2 devices, contain a command injection vulnerability. By setting a malicious string when configuring the on-board WiFi via a BLE module of an affected robot, then triggering a restart of the WiFi service, an attacker can ultimately trigger commands to be run as root via the wpa_supplicant_restart.sh shell script. All Unitree models use firmware derived from the same codebase (MIT Cheetah), and the two major forks are the G1 (humanoid) and Go2 (quadruped) branches. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-35027? +

CVE-2025-35027 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-35027? +

CVE-2025-35027 affects products from unitree, specifically: b2, b2_firmware, g1, g1_firmware, go2, go2_firmware, h1, h1_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-35027? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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