CVE-2021-20711

CRITICAL
9.8
CVSS Score
Published: April 26, 2021 at 12:20 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 1 vendorAterm WG2600HS FirmwareAterm WG2600HS

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.5.1
nec-aterm-wg2600hs (same device)
v ≤ 1.5.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCMitigationVendor Advisory
https://jpn.nec.com/security-info/secinfo/nv21-010.html
x_refsource_MISCThird Party Advisory
https://jvn.jp/en/jp/JVN29739718/index.html

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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