CVE-2020-11834
CVE-2020-11834 is a medium-severity vulnerability in Oppo Reno3 Pro Firmware with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Oppo Reno3 Pro Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-11834?
- 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.
- How severe is CVE-2020-11834?
- CVE-2020-11834 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-11834 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11834?
- CVE-2020-11834 primarily affects Oppo Reno3 Pro Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-11834?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-11834 published?
- CVE-2020-11834 was published on 2020-12-31 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:oppo:reno3_pro_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:oppo:find_x2_pro_firmware:-:*:*:*:*:*:*:*
More vulnerabilities in Oppo Reno3 Pro Firmware
- CVE-2020-11835 — Medium (CVSS 5.5): In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/charger_ic/oppo_da9313.c, failure to check the parameter buf in…
- CVE-2020-11833 — Medium (CVSS 5.5): In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/charger_ic/oppo_mp2650.c, the function mp2650_data_log_write in…
- CVE-2020-11832 — Medium (CVSS 5.5): In functions charging_limit_current_write and charging_limit_time_write in…
All CVEs affecting Oppo Reno3 Pro Firmware →
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