CVE-2018-7939

What it is

Huawei smart phones G9 Lite, Honor 5A, Honor 6X, Honor 8 with the versions before VNS-L53C605B120CUSTC605D103, the versions before CAM-L03C605B143CUSTC605D008, the versions before CAM-L21C10B145, the versions before CAM-L21C185B156, the versions before CAM-L21C223B133, the versions before CAM-L21C432B210, the versions before CAM-L21C464B170, the versions before CAM-L21C636B245, the versions before Berlin-L21C10B372, the versions before Berlin-L21C185B363, the versions before Berlin-L21C464B137, the versions before Berlin-L23C605B161, the versions before FRD-L09C10B387, the versions before FRD-L09C185B387, the versions before FRD-L09C432B398, the versions before FRD-L09C636B387, the versions before FRD-L19C10B387, the versions before FRD-L19C432B399, the versions before FRD-L19C636B387 have a Factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can disable the boot wizard by enable the talkback function. As a result, the FRP function is bypassed.

At a glance

Exploitability

Can be exploited with physical access without logging in. High risk of data tampering.

Exploit odds

0.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2018-09-12 15:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 02:03 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.2% in the next 30 days (EPSS).
• Severity: 4.6 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2018-09-12 15:29 UTC

Last modified

2026-06-17 02:03 UTC

Exploit probability

0.2% · EPSS, next 30 days

Record status

Modified

Affected

• Huawei g9 Lite Firmware < vns-l53c605b120custc605d103
• Huawei Honor 5a Firmware < cam-l03c605b143custc605d008
• Huawei Honor 5a Firmware < cam-l21c10b145
• Huawei Honor 5a Firmware < cam-l21c185b156
• Huawei Honor 5a Firmware < cam-l21c223b133
• Huawei Honor 5a Firmware < cam-l21c432b210
• Huawei Honor 5a < cam-l21c464b170
• Huawei Honor 5a Firmware < cam-l21c636b245

Attack profile CVSS 3.0 · 4.6

Attack vector

Physical

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-7939.md and follow it. Check whether this project is affected by CVE-2018-7939. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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