CVE-2020-6852: CACAGOO Cloud Storage Intelligent Camera TV-288ZD-2MP with firmware 3.4.2.0919 has weak authentication of TELN

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CRITICAL 9.8REMOTEMITIGATE

CVE-2020-6852 is a critical-severity flaw (CVSS 9.8) affecting tv-288zd-2mp firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CACAGOO Cloud Storage Intelligent Camera TV-288ZD-2MP with firmware 3.4.2.0919 has weak authentication of TELNET access, leading to root privileges without any password required.

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	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-307
Published	2020-04-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cacagoo

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

Am I affected?

Timeline

2020-04-02 15:15 UTCPublished CVE record published
2026-06-17 03:23 UTCUpdated Record last modified

cacagoo tv-288zd-2mp firmware MITIGATE

Affected: 3.4.2.0919

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4.2.0919

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-2020-6852?

tv-288zd-2mp firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-6852 being exploited?

CVE-2020-6852 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-2020-6852 affect?

CVE-2020-6852 affects tv-288zd-2mp firmware. Severity is critical (CVSS 9.8). CACAGOO Cloud Storage Intelligent Camera TV-288ZD-2MP with firmware 3.4.2.0919 has weak authentication of TELNET access, leading to root privileges without any password required.

How urgent is CVE-2020-6852?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-9349 HIGH 7.5 MITIGATE The CACAGOO Cloud Storage Intelligent Camera TV-288ZD-2MP with firmware 3.4.2.0919 allows access to the RTSP s

References

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