CVE-2023-0750: Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device

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CRITICAL 9.8REMOTEMITIGATE

CVE-2023-0750 is a critical-severity flaw (CVSS 9.8) affecting yellobrik pec 1864 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This i

Why this priority

Critical severity
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	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-602, CWE-311
Published	2023-04-06
Last modified	2026-06-17

Publisher (CNA): Switzerland Government Common Vulnerability Program · Vendor: lynx-technik

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

Am I affected?

Timeline

2023-04-06 14:15 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

lynx-technik yellobrik pec 1864 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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-2023-0750?

yellobrik pec 1864 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-0750 being exploited?

CVE-2023-0750 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-2023-0750 affect?

CVE-2023-0750 affects yellobrik pec 1864 firmware. Severity is critical (CVSS 9.8). Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the pas

How urgent is CVE-2023-0750?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

References

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