CVE-2026-1411: A flaw has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55

Q: How do I fix CVE-2026-1411?

777vr1 firmware: upgrade to newer than 01.00.09_55. Exact commands for each OS are on this page.

Q: Is CVE-2026-1411 being exploited?

CVE-2026-1411 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-1411 affect?

CVE-2026-1411 affects 777vr1 firmware. Severity is medium (CVSS 6.1). A flaw has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55. The affected element is an unknown function of the component UART Interface. This manipulation causes improper access controls. It is feasible to perform the attack on the p

Q: How urgent is CVE-2026-1411?

Priority 29/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2026-1411 is a medium-severity flaw (CVSS 6.1) affecting 777vr1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55. The affected element is an unknown function of the component UART Interface. This manipulation causes improper access controls. It is feasible to perform the attack on the physical device. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Physical
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-266, CWE-284
Published	2026-01-26
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: beetel

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-26 01:15 UTCPublished CVE record published
2026-06-17 10:15 UTCUpdated Record last modified

beetel 777vr1 firmware UPGRADE

Affected: <= 01.00.09_55

Fixed in: newer than 01.00.09_55

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-1411?

777vr1 firmware: upgrade to newer than 01.00.09_55. Exact commands for each OS are on this page.

Is CVE-2026-1411 being exploited?

CVE-2026-1411 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-1411 affect?

CVE-2026-1411 affects 777vr1 firmware. Severity is medium (CVSS 6.1). A flaw has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55. The affected element is an unknown function of the component UART Interface. This manipulation causes improper access controls. It is feasible to perform the attack on the p

How urgent is CVE-2026-1411?

Priority 29/100. Public exploit reference

Related CVEs

CVE-2026-2618 LOW 3.7 UPGRADE A vulnerability was determined in Beetel 777VR1 up to 01.00.09
CVE-2026-2617 MEDIUM 6.3 UPGRADE A vulnerability was found in Beetel 777VR1 up to 01.00.09
CVE-2026-2616 HIGH 8.8 UPGRADE A vulnerability has been found in Beetel 777VR1 up to 01.00.09
CVE-2026-1410 MEDIUM 6.4 UPGRADE A vulnerability was detected in Beetel 777VR1 up to 01.00.09/01.00.09_55
CVE-2026-1409 LOW 2.0 UPGRADE A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55

References

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