← Vulnerability feed

Vulnerability record · CVE-2026-1411 · published 26 January 2026

CVE-2026-1411: Beetel 777vr1 firmware improper access control vulnerability

Beetel · 777vr1 Firmware

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 did not respond in any way.

4.5 CVSS 4.0 Medium EPSS 0.22% · top 89.2% CWE-266 · CWE-266CWE-284 · Improper access control
4.5CVSS 4.0 base score, v2 5.9
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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 did not respond in any way.

CVSS:4.0/AV:P/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/raghav20232023/ea6adcd6d1eca35683570a1094164bd3 ExploitMitigationThird Party Advisory
https://vuldb.com/?ctiid.342800 Permissions RequiredVDB Entry
https://vuldb.com/?id.342800 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.740674 Third Party AdvisoryVDB Entry

Track CVE-2026-1411 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.4CVE-2026-2616Beetel 777vr1 firmware hard-coded password vulnerabilityA vulnerability has been found in Beetel 777VR1 up to 01.00.09. The impacted element is an unknown function of the component Web Management Interface…EPSS 1.6%5.4CVE-2020-36056Beetel 777vr1 firmware cross-site scripting vulnerabilityBeetel 777VR1-DI Hardware Version REV.1.01 Firmware Version V01.00.09_55 was discovered to contain a cross-site scripting (XSS) vulnerability via the…EPSS 0.52%4.8CVE-2020-25498Beetel 777vr1 firmware cross-site scripting vulnerabilityCross Site Scripting (XSS) vulnerability in Beetel router 777VR1 can be exploited via the NTP server name in System Time and "Keyword" in URL Filter.EPSS 1.1%4.5CVE-2026-1410Beetel 777vr1 firmware improper authentication vulnerabilityA vulnerability was detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. Impacted is an unknown function of the component UART Interface. The manipu…EPSS 0.33%2.9CVE-2026-2618Beetel 777vr1 firmware broken cryptographic algorithm vulnerabilityA vulnerability was determined in Beetel 777VR1 up to 01.00.09. This impacts an unknown function of the component SSH Service. This manipulation caus…EPSS 0.43%2.1CVE-2026-2617Beetel 777vr1 firmware insecure default initialization vulnerabilityA vulnerability was found in Beetel 777VR1 up to 01.00.09. This affects an unknown function of the component Telnet Service/SSH Service. The manipula…EPSS 0.65%0.3CVE-2026-1409Beetel 777vr1 firmware improper restriction of authentication attempts vulnerabilityA security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. This issue affects some unknown processing of the component U…EPSS 0.38%0.3CVE-2026-1408Beetel 777vr1 firmware weak password requirements vulnerabilityA weakness has been identified in Beetel 777VR1 up to 01.00.09/01.00.09_55. This vulnerability affects unknown code of the component UART Interface. …EPSS 0.31%

Source: NIST National Vulnerability Database (record CVE-2026-1411), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.