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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.

Eine Schwachstelle wurde in Linksys FGW3000-AH and FGW3000-HK bis 1.0.17.000000 gefunden. Sie wurde als kritisch eingestuft. Davon betroffen ist die Funktion sub_4153FC der Datei /cgi-bin/sysconf.cgi der Komponente HTTP POST Request Handler. Dank der Manipulation des Arguments supplicant_rnd_id_en mit unbekannten Daten kann eine command injection-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-05-20 | Published 2025-05-20 | Updated 2025-05-21 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P

Problem types

Command Injection

Injection

Product status

1.0.0
affected

1.0.1
affected

1.0.2
affected

1.0.3
affected

1.0.4
affected

1.0.5
affected

1.0.6
affected

1.0.7
affected

1.0.8
affected

1.0.9
affected

1.0.10
affected

1.0.11
affected

1.0.12
affected

1.0.13
affected

1.0.14
affected

1.0.15
affected

1.0.16
affected

1.0.17.000000
affected

1.0.0
affected

1.0.1
affected

1.0.2
affected

1.0.3
affected

1.0.4
affected

1.0.5
affected

1.0.6
affected

1.0.7
affected

1.0.8
affected

1.0.9
affected

1.0.10
affected

1.0.11
affected

1.0.12
affected

1.0.13
affected

1.0.14
affected

1.0.15
affected

1.0.16
affected

1.0.17.000000
affected

Timeline

2025-05-20:Advisory disclosed
2025-05-20:VulDB entry created
2025-05-20:VulDB entry last update

Credits

CH13hh (VulDB User) reporter

References

vuldb.com/?id.309650 (VDB-309650 | Linksys FGW3000-AH/FGW3000-HK HTTP POST Request sysconf.cgi sub_4153FC command injection) vdb-entry technical-description

vuldb.com/?ctiid.309650 (VDB-309650 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.565909 (Submit #565909 | Linksys Holdings, Inc. FGW3000-AH/FGW3000-HK <=Ver. 1.0.17.000000 Command execution) third-party-advisory

github.com/CH13hh/tmp_store_cc/blob/main/FGW3000/1.md broken-link exploit

www.linksys.com/ product

cve.org (CVE-2025-4999)

nvd.nist.gov (CVE-2025-4999)

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