CVE-2023-3330 — Improper Limitation of a Pathname to a Restricted Directory vulnerability in NEC

Improper Limitation of a Pathname to a Restricted Directory 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 allow

01What is this vulnerability?

Improper Limitation of a Pathname to a Restricted Directory 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 obtain specific files in the product.

02Affected products

Vendor	Product	Versions
NEC Corporation	Aterm WG2600HP2	all versions
NEC Corporation	Aterm WG2600HP	all versions
NEC Corporation	Aterm WG2200HP	all versions
NEC Corporation	Aterm WG2200HP	all versions
NEC Corporation	Aterm WG1800HP2	all versions
NEC Corporation	Aterm WG1800HP	all versions
NEC Corporation	Aterm WG1400HP	all versions
NEC Corporation	Aterm WG600HP	all versions
NEC Corporation	Aterm WG300HP	all versions
NEC Corporation	Aterm WF300HP	all versions
NEC Corporation	Aterm WR9500N	all versions
NEC Corporation	Aterm WR9300N	all versions
NEC Corporation	Aterm WR8750N	all versions
NEC Corporation	Aterm WR8700N	all versions
NEC Corporation	Aterm WR8600N	all versions
NEC Corporation	Aterm WR8370N	all versions
NEC Corporation	Aterm WR8175N	all versions
NEC Corporation	Aterm WR8170N	all versions

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-28T01:13:03.181Z
• Last modified: 2024-12-04T21:42:54.798Z

09References

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