CVE-2023-5494

Smart S45f Firmware vulnerability

CVSS

6.3

EPSS

14.8%

EPSS pct

96th

Exploited

No known

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 vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected vendor

Byzoro

Affected product

Smart S45f Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2023-10-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 14.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2023-5494

Confirm whether Byzoro Smart S45f Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-5494.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-5494

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-5494 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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