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CVE-2019-3949

29
FAUCET Score

CVE-2019-3949 describes a critical networking misconfiguration in Arlo Basestation firmware versions 1.12.0.1_27940 and earlier, affecting various VMB series models. This vulnerability, rated 9.8 Critical (CVSSv3), allows unauthenticated attackers to access restricted network interfaces, potentially leading to arbitrary file upload/download and remote code execution. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.12.2.3_2762CPE matchmatch criteria
cpe:2.3:o:arlo:vmb3010_firmware:*:*:*:*:*:*:*:*
< 1.12.2.3_2762CPE matchmatch criteria
cpe:2.3:o:arlo:vmb4000_firmware:*:*:*:*:*:*:*:*
< 1.12.2.4_2773CPE matchmatch criteria
cpe:2.3:o:arlo:vmb3500_firmware:*:*:*:*:*:*:*:*
< 1.12.2.4_2773CPE matchmatch criteria
cpe:2.3:o:arlo:vmb4500_firmware:*:*:*:*:*:*:*:*
< 1.12.2.2_2824CPE matchmatch criteria
cpe:2.3:o:arlo:vmb5000_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 51st percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

aristavendor investigatingvia llm_extracted
naturalintelligencevendor investigatingvia llm_extracted
netgearvendor investigatingvia llm_extracted
opencartvendor investigatingvia llm_extracted
payloadcmsvendor investigatingvia llm_extracted
safarivendor investigatingvia llm_extracted

Vendor Advisories (6)

netgearllm-netgear-57a3bcb5fcedb80bHIGH

Arlo Basestation Firmware Multiple Vulnerabilities

Jul 1, 2019
aristallm-arista-ea68b124f365ec52HIGH

Arlo Basestation Firmware Multiple Vulnerabilities

Jul 1, 2019
opencartllm-opencart-9b938f887fd7d3d0HIGH

Arlo Basestation Firmware Multiple Vulnerabilities

Jul 1, 2019
safarillm-safari-f5d2f77b6f75b7fdHIGH

Arlo Basestation Firmware Multiple Vulnerabilities

Jul 1, 2019
naturalintelligencellm-naturalintelligence-37c1444bfd82e720HIGH

Arlo Basestation Firmware Multiple Vulnerabilities

Jul 1, 2019
payloadcmsllm-payloadcms-2be85f03fa3a5550HIGH

Arlo Basestation Firmware Multiple Vulnerabilities

Jul 1, 2019

References

kb.arlo.com / 000062274/Security-Advisory-for-Networking-Misconfiguration-and-Insufficient-UART-Protection-Mechanisms
Vendor Advisory