{"id":45100,"date":"2025-05-29T08:14:32","date_gmt":"2025-05-29T08:14:32","guid":{"rendered":""},"modified":"2025-10-22T19:05:11","modified_gmt":"2025-10-23T01:05:11","slug":"cve-2025-5080-critical-buffer-overflow-vulnerability-in-tenda-fh451-1-0-0-9","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5080-critical-buffer-overflow-vulnerability-in-tenda-fh451-1-0-0-9\/","title":{"rendered":"CVE-2025-5080: Critical Buffer Overflow Vulnerability in Tenda FH451 1.0.0.9<\/strong>"},"content":{"rendered":"

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

The cybersecurity landscape is continually evolving with new threats and vulnerabilities emerging every day. One such recent discovery is a critical vulnerability identified in the Tenda FH451 1.0.0.9. This vulnerability, labeled as CVE-2025-5080, poses a severe threat to the security<\/a> of systems that use the affected product. It primarily impacts the webExcptypemanFilter function of the file \/goform\/webExcptypemanFilter, potentially leading to system<\/a> compromise or data leakage. Given its critical nature and the potential<\/a> for remote execution, this vulnerability warrants immediate attention and action.<\/p>\n

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

CVE ID: CVE-2025-5080
\nSeverity: Critical (CVSS 8.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

Tenda FH451<\/a> | 1.0.0.9<\/p>\n

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

The vulnerability exists due<\/a> to insufficient input validation in the webExcptypemanFilter function of the file \/goform\/webExcptypemanFilter. An attacker can exploit this vulnerability by manipulating the ‘page’ argument, causing a stack-based buffer overflow<\/a>. This exploitation can lead to arbitrary code execution<\/a>, system compromise, or data leakage, thereby having severe consequences.<\/p>\n

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

Below is a conceptual example of how this vulnerability might be exploited:<\/p>\n

POST \/goform\/webExcptypemanFilter HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\npage=AAAAAAAAAAAAAA...[long string of A's]...<\/code><\/pre>\n
In the above example, the ‘page’ argument is flooded with an overly long string, causing a buffer overflow<\/a>. Note that this is a conceptual example, and actual exploitation would likely involve more sophisticated techniques, such as carefully crafting the payload to overwrite the return address with a malicious function’s address.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate the CVE-2025-5080 vulnerability, affected users should apply the vendor patch as soon as it becomes available. If an immediate patch is not available, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These systems can potentially block or alert on attempts to exploit this vulnerability<\/a>. However, these are not long-term solutions and should be used as a stop-gap while awaiting a patch from the vendor. Regular patching and updating of systems is paramount in ensuring the security<\/a> of any system.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity landscape is continually evolving with new threats and vulnerabilities emerging every day. One such recent discovery is a critical vulnerability identified in the Tenda FH451 1.0.0.9. This vulnerability, labeled as CVE-2025-5080, poses a severe threat to the security of systems that use the affected product. It primarily impacts the webExcptypemanFilter function of […]<\/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-45100","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