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CVE-2020-5636

18
FAUCET Score

CVE-2020-5636 is a command injection vulnerability affecting NEC Platforms Aterm SA3500G firmware versions prior to 3.5.9. An attacker with administrative privileges can execute arbitrary commands by sending a specially crafted request to a specific URL. This vulnerability has a CVSS score of 6.8 (Medium), indicating high impact on confidentiality, integrity, and availability, with an adjacent network attack vector and low attack complexity. There is no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.5.9CPE matchmatch criteria
cpe:2.3:o:necplatforms:aterm_sa3500g_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 67th percentile among its peer group of 399 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

jvn.jp / en/jp/JVN55917325/index.html
Third Party Advisory
jvn.jp / jp/JVN55917325/index.html
Third Party Advisory
necplatforms.co.jp / product/security_ap/info_20201211.html
Vendor Advisory