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cve recordhigh

CVE-2026-76640

Published
CVSS7.5
Severityhigh
WeaknessCWE-306
ExploitedNot in CISA KEV

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

Description

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.

References

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Our coverage of CVE-2026-76640

CVE-2026-76639high

Hack One Robot, Reach the Next: Unitree G1 Security Flaws

A security researcher has discovered a chain of two vulnerabilities in the Unitree G1 humanoid robot that allows for remote, unauthenticated root access. The flaws can be exploited through a combination of Bluetooth, Unitree's cloud infrastructure, and the mobile app, enabling an attacker to compromise a robot and then use it to attack other nearby robots. Unitree has since patched the cloud vulnerability and issued bounties for the discovered flaws.