How severe is CVE-2023-3333?

CVE-2023-3333 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-3333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3333?

CVE-2023-3333 primarily affects Nec Aterm Wf300hp Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-3333?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-3333 published?

CVE-2023-3333 was published on 2023-06-28 and last updated on 2026-06-17.

CVE-2023-3333

CVE-2023-3333 is a high-severity vulnerability in Nec Aterm Wf300hp Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Nec Aterm Wf300hp Firmware
Published: 2023-06-28
Last modified: 2026-06-17

Description

Improper Neutralization of Special Elements used in an OS Command vulnerability in NEC Corporation Aterm WG2600HP2, WG2600HP, WG2200HP, WG1800HP2, WG1800HP, WG1400HP, WG600HP, WG300HP, WF300HP, WR9500N, WR9300N, WR8750N, WR8700N, WR8600N, WR8370N, WR8175N and WR8170N all versions allows a attacker to execute an arbitrary OS command with the root privilege, after obtaining a high privilege exploiting CVE-2023-3330 and CVE-2023-3331 vulnerabilities.

Frequently asked questions

What is CVE-2023-3333?: Improper Neutralization of Special Elements used in an OS Command vulnerability in NEC Corporation Aterm WG2600HP2, WG2600HP, WG2200HP, WG1800HP2, WG1800HP, WG1400HP, WG600HP, WG300HP, WF300HP, WR9500N, WR9300N, WR8750N, WR8700N, WR8600N, WR8370N, WR8175N and WR8170N all versions allows a attacker to execute an arbitrary OS command with the root privilege, after obtaining a high privilege exploiting CVE-2023-3330 and CVE-2023-3331 vulnerabilities.
How severe is CVE-2023-3333?: CVE-2023-3333 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-3333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3333?: CVE-2023-3333 primarily affects Nec Aterm Wf300hp Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-3333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-3333 published?: CVE-2023-3333 was published on 2023-06-28 and last updated on 2026-06-17.

References

https://https://jpn.nec.com/security-info/secinfo/nv23-007_en.html

Affected products (17)

cpe:2.3:o:nec:aterm_wf300hp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1400hp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1800hp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1800hp2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg2200hp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg2600hp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg2600hp2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg300hp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg600hp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr8600n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr8700n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr8750n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr9300n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr9500n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr8170n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr8175n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wr8370n_firmware:-:*:*:*:*:*:*:*

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