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Vulnerabilities

Vulnerability · CVE-2025-4999

A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000 and classified as critical.

Published May 20, 2025 · catalog updated May 21, 2025 · Linksys FGW3000-HK

Check if you run it

No confirmed exploitation is on record for CVE-2025-4999. EPSS is 6.87%. Act only if a listed version of Linksys FGW3000-HK is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
6.87%
Remediation
Vendor / distro source
Affected products
vendor Linksys FGW3000-HK 1.0.10

A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000 and classified as critical. Affected by this issue is the function sub_4153FC of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument supplicant_rnd_id_en leads to command injection. The attack may be launched 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linksys FGW3000-HK 1.0.101.0.10

How to fix CVE-2025-4999

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-4999. EPSS is 6.87%. Act only if a listed version of Linksys FGW3000-HK is installed.

Which versions are affected?

Compare what you have installed with Linksys FGW3000-HK 1.0.10 1.0.10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 6.87%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 20, 2025 · EUVD

    Detected

    A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000 and classified as critical. Affected by this issue is the function sub_4153FC of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument supplicant_rnd_id_en leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the publi

  2. May 21, 2025 · EUVD

    Updated

    A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000 and classified as critical. Affected by this issue is the function sub_4153FC of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument supplicant_rnd_id_en leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the publi

Sources

  • CVE.orgVulnerability recordCVE-2025-4999

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-15959

    A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000 and classified as critical. Affected by this issue is the function sub_4153FC of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument supplican

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 21, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.