High severity7.5NVD Advisory· Published Aug 18, 2021· Updated Jun 17, 2026
CVE-2020-25926
CVE-2020-25926
Description
The DNS client in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Insufficient entropy in the DNS transaction id. The impact is: DNS cache poisoning (remote). The component is: dns_query_type(). The attack vector is: a specific DNS response packet.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- InterNiche/NicheStack TCP/IPdescription
- Range: =4.0.1
Patches
Vulnerability mechanics
References
2- www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/nvdMitigationThird Party Advisory
- www.kb.cert.org/vuls/id/608209nvdThird Party AdvisoryUS Government Resource
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