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CVE-2018-0631

22
FAUCET Score

CVE-2018-0631 describes a critical OS command injection vulnerability affecting NEC Aterm W300P firmware versions 1.0.13 and earlier. An authenticated attacker with administrative privileges can execute arbitrary operating system commands by manipulating the targetAPSsid parameter. This vulnerability carries a high CVSSv3 score of 7.2, indicating a significant risk of complete compromise (confidentiality, integrity, and availability) if exploited. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there's no evidence of active exploitation or significant community discussion, the potential for severe impact necessitates awareness for affected users.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.13CPE matchmatch criteria
cpe:2.3:o:nec:aterm_w300p_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.2HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.40%
Probability of exploitation in next 30 days
EPSS Percentile
69.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0140 is in the 61st percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jpn.nec.com / security-info/secinfo/nv18-011.html
Vendor Advisory
jvn.jp / en/jp/JVN26629618/index.html
Third Party Advisory