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CVE-2018-7939: Huawei smart phones G9 Lite, Honor 5A, Honor 6X, Honor 8 with the versions before VNS-L53C605B120CUSTC605D103,

20
Routine
MEDIUM 4.6UPGRADEUPGRADEUPGRADE

CVE-2018-7939 is a medium-severity flaw (CVSS 4.6) affecting g9 lite firmware, honor 5a firmware, honor 5a. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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-L21

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.6 (Medium)
Attack vectorPhysical
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 85%)
CISA exploited listNo
Published2018-09-12
Last modified2026-06-17
Publisher (CNA): Huawei Technologies · Vendor: huawei

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

huawei g9 lite firmware UPGRADE
Affected: < vns-l53c605b120custc605d103
Fixed in: vns-l53c605b120custc605d103
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
huawei honor 5a firmware UPGRADE
Affected: < cam-l03c605b143custc605d008 · < cam-l21c10b145 · < cam-l21c185b156 · < cam-l21c223b133 · < cam-l21c432b210 · < cam-l21c636b245
Fixed in: cam-l03c605b143custc605d008, cam-l21c10b145, cam-l21c185b156, cam-l21c223b133, cam-l21c432b210, cam-l21c636b245
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
huawei honor 5a UPGRADE
Affected: < cam-l21c464b170
Fixed in: cam-l21c464b170
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
huawei honor 6x firmware UPGRADE
Affected: < berlin-l21c10b372 · < berlin-l21c185b363 · < berlin-l21c464b137 · < berlin-l23c605b161
Fixed in: berlin-l21c10b372, berlin-l21c185b363, berlin-l21c464b137, berlin-l23c605b161
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
huawei honor 8 firmware UPGRADE
Affected: < frd-l09c10b387 · < frd-l09c185b387 · < frd-l09c432b398 · < frd-l09c636b387 · < frd-l19c10b387 · < frd-l19c432b399 · < frd-l19c636b387
Fixed in: frd-l09c10b387, frd-l09c185b387, frd-l09c432b398, frd-l09c636b387, frd-l19c10b387, frd-l19c432b399, frd-l19c636b387
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-7939?

g9 lite firmware: upgrade to vns-l53c605b120custc605d103; honor 5a firmware: upgrade to cam-l03c605b143custc605d008, cam-l21c10b145, cam-l21c185b156, cam-l21c223b133, cam-l21c432b210, cam-l21c636b245; honor 5a: upgrade to cam-l21c464b170. Exact commands for each OS are on this page.

Is CVE-2018-7939 being exploited?

CVE-2018-7939 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-7939 affect?

CVE-2018-7939 affects g9 lite firmware, honor 5a firmware, honor 5a. Severity is medium (CVSS 4.6). 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 ver

How urgent is CVE-2018-7939?

Priority 20/100. No elevated risk signals yet.

Software pages

Huawei vulnerabilities

References

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