High severity7.5NVD Advisory· Published Aug 18, 2021· Updated Jun 17, 2026
CVE-2020-25927
CVE-2020-25927
Description
The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Out-of-bounds Read. The impact is: a denial of service (remote). The component is: DNS response processing in function: dns_upcall(). The attack vector is: a specific DNS response packet. The code does not check whether the number of queries/responses specified in the DNS packet header corresponds to the query/response data available in the DNS packet.
AI Insight
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
3- 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
- www.iniche.com/source-code/networking-stack/nichestack.phpnvdBroken Link
News mentions
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