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Fencer Vulns
medium 6.5

CVE-2024-28520 json

File Upload vulnerability in Byzoro Networks Smart multi-service security gateway intelligent management platform version S210, allows an a…

published 2024-04-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-25617

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

File Upload vulnerability in Byzoro Networks Smart multi-service security gateway intelligent management platform version S210, allows an attacker to obtain sensitive information via the uploadfile.php component.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • byzoro smart_s210_firmware

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type
  • CWE-616 Incomplete Identification of Uploaded File Variables (PHP)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.