CVE-2025-4999
6.3 · MEDIUMOverview
CVE-2025-4999 is a medium-severity vulnerability affecting linksys fgw3000-ah_firmware. It was published on May 20, 2025 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from linksys. Update fgw3000-ah_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linksys | fgw3000-ah_firmware | 0 | Affected |
| linksys | fgw3000-hk_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2025-4999?
CVE-2025-4999 is a medium-severity vulnerability affecting linksys fgw3000-ah_firmware. It was published on May 20, 2025 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
How severe is CVE-2025-4999?
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-4999?
Check the references section for vendor advisories and patches from linksys. Update fgw3000-ah_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-4999?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-4999 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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