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CVE-2023-5494: A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up

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This month
MEDIUM 6.3UPGRADE

CVE-2023-5494 is a medium-severity flaw (CVSS 6.3) affecting smart s45f firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928 and classified as critical. Affected by this issue is some unknown functionality of the file /log/download.php. The manipulation of the argument file leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-241646 is the identifier assigned to this v

Why this priority

  • EPSS top 5%: very likely to be exploited
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance7.7% (top 5%)
CISA exploited listNo
WeaknessCWE-78
Published2023-10-10
Last modified2026-06-17
Publisher (CNA): VulDB · Vendor: byzoro

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

Am I affected?

Timeline

byzoro smart s45f firmware UPGRADE
Affected: <= 20230928
Fixed in: newer than 20230928
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-2023-5494?

smart s45f firmware: upgrade to newer than 20230928. Exact commands for each OS are on this page.

Is CVE-2023-5494 being exploited?

CVE-2023-5494 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-2023-5494 affect?

CVE-2023-5494 affects smart s45f firmware. Severity is medium (CVSS 6.3). A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928 and classified as critical. Affected by this issue is some unknown functionality of the file /log/download.php. The m

How urgent is CVE-2023-5494?

Priority 51/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

References

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