CVE-2023-3332

Stored script execution via undisclosed web input

Published Jun 28, 2023 · Updated Dec 4, 2024

Stored cross-site scripting in NEC Aterm router firmware all versions allows remote authenticated users to execute arbitrary scripts. NEC and JVN do not disclose the affected input field, storage locus, or browser-rendering sink. Exploitation requires local-network access, high privilege obtained through the two prerequisite traversal flaws, and user interaction; no service interruption is reported.

CVSS severity4.8

Medium

EPSS probability0.35%

Next 30 days · Sep 16, 2026

Known exploitationUnconfirmed

Based on sourced intelligence

Hinoki checkNot available

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Summary

What happened

The record

CVE: CVE-2023-3332
Published: Jun 28, 2023
Updated: Dec 4, 2024

Vendor: NEC Corporation
Product: Aterm WR8600N
Classifications: CWE-79, T1203

Attack vector: adjacent
Privileges: admin

Timeline

How it unfolded

Jun 28, 2023CVE publishedPublication date reported by the CVE source.
Dec 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

Affected versionversion=all versions

What conditions does exploitation require?

Attack vectoradjacent

Required privilegesadmin

What is affected?

NEC Corporation · Aterm WR8600Nversion=all versions

NEC Platforms, Ltd. · Aterm WG2200HPversion=all versions

NEC Platforms, Ltd. · Aterm WG1800HP2version=all versions

NEC Platforms, Ltd. · Aterm WG1800HPversion=all versions

NEC Corporation · Aterm WR8175Nversion=all versions

NEC Corporation · Aterm WR8750Nversion=all versions

NEC Platforms, Ltd. · Aterm WG600HPversion=all versions

NEC Platforms, Ltd. · Aterm WG2600HP2version=all versions

NEC Platforms, Ltd. · Aterm WG2600HPversion=all versions

NEC Corporation · Aterm WR8370Nversion=all versions

NEC Platforms, Ltd. · Aterm WG1400HPversion=all versions

NEC Platforms, Ltd. · Aterm WF300HPversion=all versions

NEC Corporation · Aterm WR8700Nversion=all versions

NEC Corporation · Aterm WR8170Nversion=all versions

NEC Corporation · Aterm WR9300Nversion=all versions

NEC Platforms, Ltd. · Aterm WG300HPversion=all versions

NEC Corporation · Aterm WR9500Nversion=all versions

Published CVSS scores

4.3JPCERT/CC and IPACVSS:3.0/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

2.3JPCERT/CC and IPAAV:A/AC:M/Au:S/C:N/I:P/A:N

4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026

Latest reporting daySep 16, 2026

Latest daily unique IPsUnavailable

Prior 30-day averageUnavailable

SourceShadowserver honeypots (KEV)

Vectoradjacent

Privilegesadmin

Known exploitationUnconfirmed

Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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