CVE-2022-47703: TIANJIE CPE906-3 is vulnerable to password disclosure

This week

HIGH 7.5REMOTEDOWNGRADEMITIGATE

CVE-2022-47703 is a high-severity flaw (CVSS 7.5) affecting cpe906-3, cpe906-3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TIANJIE CPE906-3 is vulnerable to password disclosure. This is present on Software Version WEB5.0_LCD_20200513, Firmware Version MV8.003, and Hardware Version CPF906-V5.0_LCD_20200513.

Why this priority

High 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	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-306
Published	2023-02-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tianjie

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

Am I affected?

Timeline

2023-02-16 22:15 UTCPublished CVE record published
2026-06-17 05:14 UTCUpdated Record last modified

tianjie cpe906-3 DOWNGRADE

Affected: web5.0_lcd_20200513

Fixed in: no fixed release known

Safe to downgrade to: a release before web5.0_lcd_20200513

1. Check installed version

apt-cache policy cpe906-3 || rpm -q cpe906-3 || cpe906-3 --version

2. No fixed release: DOWNGRADE to a release before web5.0_lcd_20200513 (Debian / Ubuntu)

apt-cache madison cpe906-3 sudo apt install cpe906-3=<VERSION_BEFORE_web5.0_lcd_20200513> sudo apt-mark hold cpe906-3

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cpe906-3 sudo dnf downgrade cpe906-3-<VERSION_BEFORE_web5.0_lcd_20200513> sudo dnf versionlock add cpe906-3

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

tianjie cpe906-3 firmware MITIGATE

Affected: mv8.003

Fixed in: no fixed release known

Safe to downgrade to: a release before mv8.003

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-2022-47703?

cpe906-3: downgrade or apply the listed mitigation; cpe906-3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-47703 being exploited?

CVE-2022-47703 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-2022-47703 affect?

CVE-2022-47703 affects cpe906-3, cpe906-3 firmware. Severity is high (CVSS 7.5). TIANJIE CPE906-3 is vulnerable to password disclosure. This is present on Software Version WEB5.0_LCD_20200513, Firmware Version MV8.003, and Hardware Version CPF906-V5.0_LCD_20200513.

How urgent is CVE-2022-47703?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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