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Critical severity9.8NVD Advisory· Published Apr 26, 2021· Updated Jun 17, 2026

CVE-2021-20711

CVE-2021-20711

Description

Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.

AI Insight

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

Affected products

2

NEC/Aterm WG2600HPllm-fuzzy
Range: <=1.5.1
NEC/Aterm Wg2600hs Firmwarecpe-rescue
Range: firmware Ver1.5.1 and earlier

Patches

Vulnerability mechanics

References

2

jpn.nec.com/security-info/secinfo/nv21-010.htmlnvdMitigationVendor Advisory
jvn.jp/en/jp/JVN29739718/index.htmlnvdThird Party Advisory

News mentions

0

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