High severity7.5NVD Advisory· Published Mar 8, 2021· Updated Jun 17, 2026
CVE-2021-26788
CVE-2021-26788
Description
Oryx Embedded CycloneTCP 1.7.6 to 2.0.0, fixed in 2.0.2, is affected by incorrect input validation, which may cause a denial of service (DoS). To exploit the vulnerability, an attacker needs to have TCP connectivity to the target system. Receiving a maliciously crafted TCP packet from an unauthenticated endpoint is sufficient to trigger the bug.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:oryx-embedded:cyclonetcp:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:oryx-embedded:cyclonetcp:*:*:*:*:*:*:*:*range: >=1.7.6,<=2.0.0
- (no CPE)range: 1.7.6 to 2.0.0
- Oryx Embedded/CycloneTCPdescription
Patches
Vulnerability mechanics
References
1- github.com/Oryx-Embedded/CycloneTCP/commit/de5336016edbe1e90327d0ed1cba5c4e49114366nvdPatchThird Party Advisory
News mentions
0No linked articles in our index yet.