THREATPORT/VULNERABILITY/CVE-2025-5000
MEDIUM SEVERITY

CVE-2025-5000

Fgw3000 Ah Firmware vulnerability

CVSS
6.3
EPSS
8.7%
EPSS pct
95th
Exploited
No known
A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000. It has been classified as critical. This affects the function control_panel_sw of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument filename leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected vendor
Linksys
Affected product
Fgw3000 Ah 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)
Published
2025-05-20

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 8.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2025-5000

  • Confirm whether Linksys Fgw3000 Ah Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-5000.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-5000

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