Medium severity6.1NVD Advisory· Published Jan 28, 2021· Updated Jun 17, 2026

CVE-2021-20620

Description

Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

NEC/WF800HPllm-create
Range: <=1.0.9
Aterm/WF800HPllm-fuzzy
Range: <=1.0.9
NEC/Aterm WG300HPcpe-rescue
Range: Aterm WF800HP firmware Ver1.0.9 and earlier

Patches

Vulnerability mechanics

References

www.aterm.jp/support/tech/2019/0328.htmlnvdPatchVendor Advisory
jpn.nec.com/security-info/secinfo/nv21-005.htmlnvdThird Party Advisory
jvn.jp/en/jp/JVN38248512/index.htmlnvdThird Party Advisory

News mentions

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cvss	0.397
epss	0.001
exploit	0.000
kev	0.000
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ransomware	0.000