{"id":75986,"date":"2025-09-19T01:57:38","date_gmt":"2025-09-19T01:57:38","guid":{"rendered":""},"modified":"2025-10-02T16:42:40","modified_gmt":"2025-10-02T22:42:40","slug":"cve-2025-10392-critical-buffer-overflow-vulnerability-in-mercury-km08-708h-giga-wifi-wave2","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-10392-critical-buffer-overflow-vulnerability-in-mercury-km08-708h-giga-wifi-wave2\/","title":{"rendered":"CVE-2025-10392: Critical Buffer Overflow Vulnerability in Mercury KM08-708H GiGA WiFi Wave2<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

CVE-2025-10392 is a critical vulnerability discovered in Mercury KM08-708H GiGA WiFi Wave2 version 1.1.14. The vulnerability lies within an unidentified function of the HTTP Header Handler component. It is triggered by manipulating the ‘Host’ argument, resulting in a stack-based buffer overflow<\/a>. This vulnerability is critical<\/a> due to its potential for remote exploitation, which could lead to a system compromise or data leakage. Given the severity of the vulnerability<\/a> and its potential impact on users, it\u2019s imperative that organizations take immediate steps to mitigate this risk.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-10392
\nSeverity: Critical (CVSS: 9.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise<\/a> or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Mercury KM08-708H GiGA WiFi Wave2<\/a> | 1.1.14<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of a vulnerability in the HTTP Header<\/a> Handler of Mercury KM08-708H GiGA WiFi Wave2. Specifically, it manipulates the ‘Host’ argument in a way that causes a stack-based buffer overflow<\/a>. This overflow can potentially overwrite crucial system data or function pointers, which could result in arbitrary code execution<\/a>. This could allow an attacker to remotely take over the system or cause data<\/a> leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

A conceptual example of exploiting this vulnerability might look like this:<\/p>\n

GET \/ HTTP\/1.1\nHost: target.example.com { A*60000 }<\/code><\/pre>\n
In this example, the ‘Host’ field is overloaded with a string of ‘A’ characters. If the length of this string exceeds the buffer size allocated for the ‘Host’ argument, it will cause a buffer overflow<\/a>. In a real-world scenario, an attacker could replace the ‘A’ characters with malicious code to execute<\/a> a successful exploit.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
The best mitigation strategy is to apply the vendor patch as soon as it becomes available. Until then, organizations can use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation option. These tools can help detect and block attempts to exploit this vulnerability<\/a>. Additionally, organizations should monitor their network traffic for any unusual activities or attempts to exploit this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview CVE-2025-10392 is a critical vulnerability discovered in Mercury KM08-708H GiGA WiFi Wave2 version 1.1.14. The vulnerability lies within an unidentified function of the HTTP Header Handler component. It is triggered by manipulating the ‘Host’ argument, resulting in a stack-based buffer overflow. This vulnerability is critical due to its potential for remote exploitation, which could […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-75986","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t