{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-5988/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":8.8,"id":"CVE-2026-5988"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["cve-2026-5988","buffer-overflow","tenda"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eA stack-based buffer overflow vulnerability has been identified in Tenda F451 router version 1.0.0.7. The vulnerability resides within the \u003ccode\u003eformWrlsafeset\u003c/code\u003e function of the \u003ccode\u003e/goform/AdvSetWrlsafeset\u003c/code\u003e file. A remote attacker can exploit this flaw by crafting a malicious request with an overly long \u003ccode\u003emit_ssid\u003c/code\u003e argument, leading to potential arbitrary code execution on the device. Public exploits for this vulnerability are available, making it imperative for users of affected Tenda devices to take immediate action. This vulnerability poses a significant risk, as successful exploitation could grant an attacker full control over the vulnerable device.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a Tenda F451 router running firmware version 1.0.0.7 exposed to the internet.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious HTTP POST request targeting the \u003ccode\u003e/goform/AdvSetWrlsafeset\u003c/code\u003e endpoint.\u003c/li\u003e\n\u003cli\u003eThe crafted request includes the \u003ccode\u003emit_ssid\u003c/code\u003e argument with a string exceeding the buffer's expected size.\u003c/li\u003e\n\u003cli\u003eThe router's web server processes the request and passes the \u003ccode\u003emit_ssid\u003c/code\u003e argument to the \u003ccode\u003eformWrlsafeset\u003c/code\u003e function.\u003c/li\u003e\n\u003cli\u003eDue to the insufficient bounds checking, the overly long \u003ccode\u003emit_ssid\u003c/code\u003e value overflows the stack-based buffer.\u003c/li\u003e\n\u003cli\u003eThe buffer overflow overwrites critical data on the stack, including the return address.\u003c/li\u003e\n\u003cli\u003eThe attacker carefully crafts the overflowed data to redirect execution to a location containing malicious code.\u003c/li\u003e\n\u003cli\u003eThe malicious code executes with the privileges of the web server process, potentially granting the attacker full control of the device.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability allows a remote attacker to execute arbitrary code on the affected Tenda F451 router. This can lead to complete compromise of the device, allowing the attacker to modify router settings, intercept network traffic, or use the device as a botnet node. Given the widespread use of Tenda routers, this vulnerability has the potential to impact a large number of users and networks.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply any available firmware updates released by Tenda to patch CVE-2026-5988.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eDetect Suspicious AdvSetWrlsafeset Request\u003c/code\u003e to detect exploitation attempts targeting the vulnerable endpoint.\u003c/li\u003e\n\u003cli\u003eMonitor web server logs for unusually long \u003ccode\u003emit_ssid\u003c/code\u003e parameters in requests to \u003ccode\u003e/goform/AdvSetWrlsafeset\u003c/code\u003e.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-09T23:17:02Z","date_published":"2026-04-09T23:17:02Z","id":"https://feed.craftedsignal.io/briefs/2026-04-09-tenda-buffer-overflow/","summary":"A stack-based buffer overflow vulnerability exists in Tenda F451 version 1.0.0.7, allowing remote attackers to execute arbitrary code by manipulating the `mit_ssid` argument in the `/goform/AdvSetWrlsafeset` file.","title":"Tenda F451 Router Stack-Based Buffer Overflow Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-04-09-tenda-buffer-overflow/"}],"language":"en","title":"CraftedSignal Threat Feed - Cve-2026-5988","version":"https://jsonfeed.org/version/1.1"}