CVE-2020-11834

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-12-31 · updated 2026-06-17
Weakness: CWE-787

Description

In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, the function proc_fastchg_fw_update_write in proc_fastchg_fw_update_write does not check the parameter len, resulting in a vulnerability.

Affected products

OPPO Find X2 Pro Firmware: all versions
OPPO Reno3 Pro Firmware: all versions

References

https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336
https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336

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