CVE-2023-27748: BlackVue DR750-2CH LTE v.1.012_2022.10.26 does not employ authenticity check for uploaded firmware

This week

CRITICAL 9.8REMOTEMITIGATEMITIGATE

CVE-2023-27748 is a critical-severity flaw (CVSS 9.8) affecting dr750-2ch lte firmware, dr750-2ch ir lte firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BlackVue DR750-2CH LTE v.1.012_2022.10.26 does not employ authenticity check for uploaded firmware. This can allow attackers to upload crafted firmware which contains backdoors and enables arbitrary code execution.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-345
Published	2023-04-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: blackvue

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

Am I affected?

Timeline

2023-04-13 20:15 UTCPublished CVE record published
2026-06-17 05:45 UTCUpdated Record last modified

blackvue dr750-2ch lte firmware MITIGATE

Affected: 1.012_2022.10.26

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.012_2022.10.26

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.

blackvue dr750-2ch ir lte firmware MITIGATE

Affected: 1.012_2022.10.26

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.012_2022.10.26

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-2023-27748?

dr750-2ch lte firmware: mitigate or apply the listed mitigation; dr750-2ch ir lte firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-27748 being exploited?

CVE-2023-27748 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-2023-27748 affect?

CVE-2023-27748 affects dr750-2ch lte firmware, dr750-2ch ir lte firmware. Severity is critical (CVSS 9.8). BlackVue DR750-2CH LTE v.1.012_2022.10.26 does not employ authenticity check for uploaded firmware. This can allow attackers to upload crafted firmware which contains backdoors and enables arbitrary code execution.

How urgent is CVE-2023-27748?

Priority 58/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-27747 HIGH 7.5 MITIGATE MITIGATE BlackVue DR750-2CH LTE v.1.012_2022.10.26 does not employ authentication in its web server
CVE-2023-27746 CRITICAL 9.8 MITIGATE MITIGATE BlackVue DR750-2CH LTE v.1.012_2022.10.26 was discovered to contain a weak default passphrase which can be eas

References

← Back to latest CVEs