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P9 Firmware CVE-2016-8762

MEDIUM
Improper Input Validation (CWE-20)
2017-04-02 psirt@huawei.com
5.0
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 5.0 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, user interaction required. EPSS exploitation probability: 0.03%.

Exploit ScenarioDerived

Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAI

The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software VNS-L21C185B130 and earlier versions and P8 Lite with software ALE-L02C636B150. Rated medium severity (CVSS 5.0), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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Technical ContextAI · show details

This vulnerability is classified under CWE-20. The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software VNS-L21C185B130 and earlier versions and P8 Lite with software ALE-L02C636B150 and earlier versions has an input validation vulnerability, which allows attackers to cause the system to restart. Affected products include: Huawei P9 Firmware, Huawei P9 Lite Firmware, Huawei P8 Lite Firmware.

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Severity by source

NVD PRIMARY 5.0 MEDIUM
AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software VNS-L21C185B130 and earlier versions and P8 Lite with software ALE-L02C636B150 and earlier versions has an input validation vulnerability, which allows attackers to cause the system to restart.

Threat Intelligence Overview

EPSS Score
0.0%
Top 92% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +25
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:huawei:p9_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:p9_lite_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:p8_lite_firmware:*:*:*:*:*:*:*:*
CVE-2017-8150 HIGH
7.8 Nov 22

The boot loaders of P10 and P10 Plus Huawei mobile phones with software the versions before Victoria-L09AC605B162, the v

CVE-2016-8761 HIGH
7.8 Apr 02

Video driver in Huawei P9 phones with software versions before EVA-AL10C00B192 and Huawei Honor 6 phones with software v

CVE-2016-8760 HIGH
7.8 Apr 02

Touchscreen driver in Huawei P9 phones with software versions before EVA-AL10C00B192 and Huawei Honor 6 phones with soft

CVE-2016-8759 HIGH
7.8 Apr 02

Video driver in Huawei P9 phones with software versions before EVA-AL10C00B192 and Huawei Honor 6 phones with software v

CVE-2016-8763 HIGH
7.8 Apr 02

The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software V

CVE-2017-2691 MEDIUM
6.8 Nov 22

Huawei P9 versions earlier before EVA-AL10C00B373, versions earlier before EVA-CL00C92B373, versions earlier before EVA-

CVE-2017-2703 MEDIUM
6.8 Nov 22

Phone Finder in versions earlier before MHA-AL00BC00B156,Versions earlier before MHA-CL00BC00B156,Versions earlier befor

CVE-2016-8774 MEDIUM
6.7 Apr 02

The HIFI driver in Huawei Mate 8 phones with software versions before NXT-AL10C00B386, versions before NXT-CL00C92B386,

CVE-2016-8764 MEDIUM
6.4 Apr 02

The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software V

CVE-2017-8215 MEDIUM
6.2 Nov 22

Honor 8,Honor V8,Honor 9,Honor V9,Nova 2,Nova 2 Plus,P9,P10 Plus,Toronto Huawei smart phones with software of versions e

CVE-2017-8214 MEDIUM
6.2 Nov 22

Honor 8,Honor V8,Honor 9,Honor V9,Nova 2,Nova 2 Plus,P9,P10 Plus,Toronto Huawei smart phones with software of versions e

CVE-2017-2713 MEDIUM
5.4 Nov 22

HUAWEI P9 smartphones with software versions earlier before EVA-L09C432B383, versions earlier before EVA-L09C636B380, ve

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