CVE-2018-7939: Huawei g9 Lite Firmware

Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Huawei g9 Lite Firmware: before vns-l53c605b120custc605d103 (fixed in vns-l53c605b120custc605d103)
• Huawei Honor 5a: before cam-l21c464b170 (fixed in cam-l21c464b170)
• Huawei Honor 5a Firmware: before cam-l03c605b143custc605d008 (fixed in cam-l03c605b143custc605d008); before cam-l21c10b145 (fixed in cam-l21c10b145); before cam-l21c185b156 (fixed in cam-l21c185b156); before cam-l21c223b133 (fixed in cam-l21c223b133); before cam-l21c432b210 (fixed in cam-l21c432b210); before cam-l21c636b245 (fixed in cam-l21c636b245)
• Huawei Honor 6x Firmware: before berlin-l21c10b372 (fixed in berlin-l21c10b372); before berlin-l21c185b363 (fixed in berlin-l21c185b363); before berlin-l21c464b137 (fixed in berlin-l21c464b137); before berlin-l23c605b161 (fixed in berlin-l23c605b161)
• Huawei Honor 8 Firmware: before frd-l09c10b387 (fixed in frd-l09c10b387); before frd-l09c185b387 (fixed in frd-l09c185b387); before frd-l09c432b398 (fixed in frd-l09c432b398); before frd-l09c636b387 (fixed in frd-l09c636b387); before frd-l19c10b387 (fixed in frd-l19c10b387); before frd-l19c432b399 (fixed in frd-l19c432b399); …

Published 2018-09-12. Last modified 2026-06-17.