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CVE-2020-14439

28
FAUCET Score

CVE-2020-14439 describes a critical command injection vulnerability affecting several NETGEAR Orbi mesh WiFi systems, including models in the RBK75x, RBR750, RBS750, RBK84x, RBR840, RBS840, RBK85x, RBR850, and RBS850 series running firmware versions prior to 3.2.15.25. An unauthenticated attacker on the adjacent network can exploit this flaw to execute arbitrary commands. With a CVSS score of 8.8 (High), this vulnerability poses a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While there are no known active exploits in the wild or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered substantial community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.15.25CPE matchmatch criteria
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
< 3.2.15.25CPE matchmatch criteria
cpe:2.3:o:netgear:rbk753_firmware:*:*:*:*:*:*:*:*
< 3.2.15.25CPE matchmatch criteria
cpe:2.3:o:netgear:rbk753s_firmware:*:*:*:*:*:*:*:*
< 3.2.15.25CPE matchmatch criteria
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*
< 3.2.15.25CPE matchmatch criteria
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.6CRITICAL

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 90th percentile among its peer group of 1,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

kb.netgear.com / 000061942/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0064
Vendor Advisory