CVE-2023-23458: Sunell DVR, latest version, CWE-200: Exposure of Sensitive Information to an Unauthorized Actor through an uns

Routine

MEDIUM 6.5MITIGATEMITIGATEMITIGATE

CVE-2023-23458 is a medium-severity flaw (CVSS 6.5) affecting sn-xvr3804e1 firmware, sn-xvr3808e2 firmware, sn-adr3804e1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sunell DVR, latest version, CWE-200: Exposure of Sensitive Information to an Unauthorized Actor through an unspecified request.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-200
Published	2023-02-15
Last modified	2026-06-17

Publisher (CNA): Israel National Cyber Directorate · Vendor: sunellsecurity

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

Am I affected?

Timeline

2023-02-15 19:15 UTCPublished CVE record published
2026-06-17 05:37 UTCUpdated Record last modified

sunellsecurity sn-xvr3804e1 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.

sunellsecurity sn-xvr3808e2 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.

sunellsecurity sn-adr3804e1 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.

sunellsecurity sn-adr3808e1 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.

sunellsecurity sn-adr3816e1 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.

sunellsecurity sn-adr3808e2 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-2023-23458?

sn-xvr3804e1 firmware: mitigate or apply the listed mitigation; sn-xvr3808e2 firmware: mitigate or apply the listed mitigation; sn-adr3804e1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-23458 being exploited?

CVE-2023-23458 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-2023-23458 affect?

CVE-2023-23458 affects sn-xvr3804e1 firmware, sn-xvr3808e2 firmware, sn-adr3804e1 firmware. Severity is medium (CVSS 6.5). Sunell DVR, latest version, CWE-200: Exposure of Sensitive Information to an Unauthorized Actor through an unspecified request.

How urgent is CVE-2023-23458?

Priority 34/100. No elevated risk signals yet.

Related CVEs

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References

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