CVE-2025-4999

MEDIUM EPSS 95.4%
Published May 20, 20251y ago · Modified Jun 17, 20261w ago
5.3 CVSS 4.0
Medium
Find Similar
Published May 20, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
5.3
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
95.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-74
CWE-77 Command Injection Injection

Affected Products 4

VendorProductVersionRange
linksysfgw3000-ah_firmware* ≤1.0.17.000000
linksysfgw3000-ah*any
linksysfgw3000-hk_firmware* ≤1.0.17.000000
linksysfgw3000-hk*any

References 5

  • github.com https://github.com/CH13hh/tmp_store_cc/blob/main/FGW3000/1.md
    Broken Link
  • vuldb.com https://vuldb.com/?ctiid.309650
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.309650
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.565909
    Third Party AdvisoryVDB Entry
  • linksys.com https://www.linksys.com/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.