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CVE-2023-3333· NVD / CVE Program· CNA NEC

Improper Neutralization of Special Elements used in an OS Command vulnerability in NEC Corporation Aterm WG2600HP2, WG2600HP, WG2200HP, WG18

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.

HighCVSS 7.2 · v3.1—No exploit No fix recorded
Published
Jun 27, 2023
Updated
Jun 17, 2026
EPSS
0.7% · 52th percentile
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Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
necaterm wf300hp firmware
necaterm wf300hp
necaterm wg1400hp firmware
necaterm wg1400hp
necaterm wg1800hp firmware
necaterm wg1800hp
necaterm wg1800hp2 firmware
necaterm wg1800hp2
necaterm wg2200hp firmware
necaterm wg2200hp
necaterm wg2600hp firmware
necaterm wg2600hp

and 22 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • nec aterm wf300hp firmwareall versions
  • nec aterm wg1400hp firmwareall versions
  • nec aterm wg1800hp firmwareall versions
  • nec aterm wg1800hp2 firmwareall versions
  • nec aterm wg2200hp firmwareall versions
  • nec aterm wg2600hp firmwareall versions
  • nec aterm wg2600hp2 firmwareall versions
  • nec aterm wg300hp firmwareall versions
  • nec aterm wg600hp firmwareall versions
  • nec aterm wr8170n firmwareall versions
  • nec aterm wr8175n firmwareall versions
  • nec aterm wr8370n firmwareall versions
  • nec aterm wr8600n firmwareall versions
  • nec aterm wr8700n firmwareall versions
  • nec aterm wr8750n firmwareall versions
  • nec aterm wr9300n firmwareall versions
  • nec aterm wr9500n firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (NEC). Independent of NVD's CPE analysis and usually ahead of it.

  • NEC Corporation Aterm WF300HP

    • all versionsaffected

  • NEC Corporation Aterm WG1400HP

    • all versionsaffected

  • NEC Corporation Aterm WG1800HP

    • all versionsaffected

  • NEC Corporation Aterm WG1800HP2

    • all versionsaffected

  • NEC Corporation Aterm WG2200HP

    • all versions, all versionsaffected

  • NEC Corporation Aterm WG2600HP

    • all versionsaffected

  • NEC Corporation Aterm WG2600HP2

    • all versionsaffected

  • NEC Corporation Aterm WG300HP

    • all versionsaffected

  • NEC Corporation Aterm WG600HP

    • all versionsaffected

  • NEC Corporation Aterm WR8170N

    • all versionsaffected

  • NEC Corporation Aterm WR8175N

    • all versionsaffected

  • NEC Corporation Aterm WR8370N

    • all versionsaffected

Same product

nec: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-3331Improper Limitation of a Pathname to a Restricted Directory vulnerability in NEC Corporation Aterm Aterm WG2600HP2, WG2600HP, WG2200HP, WG18
    21Monitor
  • CVE-2023-3332Improper Neutralization of Input During Web Page Generation vulnerability in NEC Corporation Aterm Aterm WG2600HP2, WG2600HP, WG2200HP, WG18
    19Monitor
  • CVE-2023-3330Improper Limitation of a Pathname to a Restricted Directory vulnerability in NEC Corporation Aterm WG2600HP2, WG2600HP, WG2200HP, WG1800HP2,
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const host = req.body.host;exec("ping -c 1 " + host, onResult);

Fixed

ts
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records