Arlo Basestation firmware 1.12.0.1_27940 and prior firmware contain a networking misconfiguration that allows access to restricted network…

published 2019-07-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13556

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

Arlo Basestation firmware 1.12.0.1_27940 and prior firmware contain a networking misconfiguration that allows access to restricted network interfaces. This could allow an attacker to upload or download arbitrary files and possibly execute malicious code on the device.

Patch / fix

fixed in 5

arlo vmb3010_firmware 1.12.2.3_2762
arlo vmb4000_firmware 1.12.2.3_2762
arlo vmb3500_firmware 1.12.2.4_2773
arlo vmb4500_firmware 1.12.2.4_2773
arlo vmb5000_firmware 1.12.2.2_2824

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

Arlo Basestation firmware

Classification

Weakness

CWE-16 Configuration

References

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

Sources

CVE List CVE-2019-3949
NVD CVE-2019-3949

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary