CVE-2026-36793
Description
Stack buffer overflows in Tenda W3 Wireless Router v1.0.0.3(2204) allow DoS via crafted HTTP requests.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Stack buffer overflows in Tenda W3 Wireless Router v1.0.0.3(2204) allow DoS via crafted HTTP requests.
Vulnerability
Multiple stack overflows exist in the formwrlSSIDset function of the Tenda W3 Wireless Router v1.0.0.3(2204) [1]. The vulnerability is triggered by the mit_ssid and mis_ssid_index parameters, which are processed by the FUN_00442b44 CGI handler [1].
Exploitation
An attacker can exploit this vulnerability by sending a crafted HTTP request to the FUN_00442b44 CGI handler. The request must contain excessively long values for the mit_ssid and mis_ssid_index parameters, which are then used in an unbounded sprintf call, leading to a stack buffer overflow [1].
Impact
Successful exploitation of this vulnerability can lead to a Denial of Service (DoS) condition. This is achieved by crashing the httpd process or causing a device reboot, rendering the router inoperable [1].
Mitigation
No patched version or specific mitigation details are available in the provided references. The vulnerability affects Tenda W3 Wireless Router v1.0.0.3(2204) [1].
AI Insight generated on Jun 9, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
1- Range: =1.0.0.3(2204)
Patches
0No patches discovered yet.
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
1News mentions
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