プラットフォーム
linux
コンポーネント
belkin-f9k1015
CVE-2026-5629 describes a critical buffer overflow vulnerability affecting the Belkin F9K1015 router running firmware version 1.00.10. This flaw allows remote attackers to exploit a weakness in the formSetFirewall function, potentially leading to a denial of service or even arbitrary code execution. The vulnerability is publicly known and exploitable, highlighting the urgent need for mitigation strategies. Unfortunately, a firmware update to address this issue is not currently available.
The buffer overflow vulnerability in the Belkin F9K1015 router allows a remote attacker to send a crafted request to the /goform/formSetFirewall endpoint, manipulating the webpage parameter. This manipulation can overwrite memory on the router's stack, potentially leading to a denial of service (DoS) by crashing the device. More critically, a successful exploit could allow an attacker to execute arbitrary code on the router, gaining full control over the device and potentially pivoting to other systems on the network. Given the router's role as a gateway, this could provide access to an entire internal network, significantly expanding the attack surface and blast radius. The public availability of an exploit increases the likelihood of widespread exploitation.
CVE-2026-5629 is actively being exploited, as evidenced by the public availability of an exploit. The vulnerability's severity is HIGH (CVSS 8.8), indicating a significant risk. While no specific threat actor campaigns have been publicly linked to this vulnerability, the ease of exploitation and public availability make it a prime target for opportunistic attackers. The vulnerability was disclosed on 2026-04-06, and the vendor (Belkin) has not yet responded. This lack of response further increases the risk.
エクスプロイト状況
EPSS
0.05% (14% パーセンタイル)
CISA SSVC
CVSS ベクトル
Due to the lack of a firmware update, mitigating CVE-2026-5629 requires a layered approach. First, immediately segment the network to isolate the Belkin F9K1015 router from critical systems. Implement strict firewall rules to restrict inbound and outbound traffic to the router, limiting potential attack vectors. Next, deploy a Web Application Firewall (WAF) or reverse proxy to filter malicious requests targeting the /goform/formSetFirewall endpoint. Configure the WAF to block requests containing suspicious or excessively long values for the webpage parameter. Consider disabling remote management features on the router if they are not essential. Regularly monitor router logs for any unusual activity or signs of exploitation.
Actualice el firmware del router Belkin F9K1015 a la última versión disponible proporcionada por el fabricante. Dado que el fabricante no ha respondido a las notificaciones de seguridad, es crucial verificar en el sitio web oficial de Belkin si hay una actualización disponible y aplicarla lo antes posible. Consulte la documentación del router para obtener instrucciones sobre cómo actualizar el firmware.
脆弱性分析と重要アラートをメールでお届けします。
CVE-2026-5629 is a HIGH severity buffer overflow vulnerability in the Belkin F9K1015 router firmware version 1.00.10. It allows remote attackers to exploit a flaw in the firewall configuration function, potentially leading to DoS or code execution.
You are affected if you are using a Belkin F9K1015 router with firmware version 1.00.10. Check your router's firmware version using the provided detection steps.
Unfortunately, a firmware update to fix this vulnerability is not currently available. Mitigation focuses on network segmentation, WAF rules, and disabling unnecessary remote management features.
Yes, CVE-2026-5629 is being actively exploited due to the public availability of an exploit. This makes it a high-priority security concern.
As of the last update, Belkin has not released an official advisory for CVE-2026-5629. Monitor Belkin's support website for updates.
依存関係ファイルをアップロードすれば、このCVEや他のCVEがあなたに影響するか即座にわかります。