CVE-2021-26788 is a denial-of-service (DoS) vulnerability affecting Oryx Embedded CycloneTCP versions 1.7.6 through 2.0.0, resolved in version 2.0.2. It stems from incorrect input validation, allowing an unauthenticated attacker to trigger a DoS by sending a specially crafted TCP packet to the target system. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.7.6, <= 2.0.0CPE matchmatch criteria | cpe:2.3:a:oryx-embedded:cyclonetcp:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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