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    CVE-2026-1407

    A security flaw has been discovered in Beetel 777VR1 up to 01.00.09/01.00.09_55. This affects an unknown part of the component UART Interface. Performing a manipulation results in information disclosure. The attack may be carried out on the physical device. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Jan 25, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 25, 2026
    EPSS Score:0.00009
    CVSS Score:2

    Affected Products

    Vendor
    Beetel
    Product
    777vr1
    Vendor
    Beetel
    Product
    777vr1 Firmware

    Exploits

    https://gist.github.com/raghav20232023/253c041842f622d9c2cb6ee4111c2227

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-116 Excavation
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-169 Footprinting
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-22 Exploiting Trust in Client
    CAPEC-224 Fingerprinting
    CAPEC-285 ICMP Echo Request Ping
    CAPEC-287 TCP SYN Scan
    CAPEC-290 Enumerate Mail Exchange (MX) Records
    CAPEC-291 DNS Zone Transfers
    CAPEC-292 Host Discovery
    CAPEC-293 Traceroute Route Enumeration
    CAPEC-294 ICMP Address Mask Request
    CAPEC-295 Timestamp Request
    CAPEC-296 ICMP Information Request
    CAPEC-297 TCP ACK Ping
    CAPEC-298 UDP Ping
    CAPEC-299 TCP SYN Ping
    CAPEC-300 Port Scanning
    CAPEC-301 TCP Connect Scan
    CAPEC-302 TCP FIN Scan
    CAPEC-303 TCP Xmas Scan
    CAPEC-304 TCP Null Scan
    CAPEC-305 TCP ACK Scan
    CAPEC-306 TCP Window Scan
    CAPEC-307 TCP RPC Scan
    CAPEC-308 UDP Scan
    CAPEC-309 Network Topology Mapping
    CAPEC-310 Scanning for Vulnerable Software
    CAPEC-312 Active OS Fingerprinting
    CAPEC-313 Passive OS Fingerprinting
    CAPEC-317 IP ID Sequencing Probe
    CAPEC-318 IP 'ID' Echoed Byte-Order Probe
    CAPEC-319 IP (DF) 'Don't Fragment Bit' Echoing Probe
    CAPEC-320 TCP Timestamp Probe
    CAPEC-321 TCP Sequence Number Probe
    CAPEC-322 TCP (ISN) Greatest Common Divisor Probe
    CAPEC-323 TCP (ISN) Counter Rate Probe
    CAPEC-324 TCP (ISN) Sequence Predictability Probe
    CAPEC-325 TCP Congestion Control Flag (ECN) Probe
    CAPEC-326 TCP Initial Window Size Probe
    CAPEC-327 TCP Options Probe
    CAPEC-328 TCP 'RST' Flag Checksum Probe
    CAPEC-329 ICMP Error Message Quoting Probe
    CAPEC-330 ICMP Error Message Echoing Integrity Probe
    CAPEC-441 Malicious Logic Insertion
    CAPEC-472 Browser Fingerprinting
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-497 File Discovery
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-508 Shoulder Surfing
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-573 Process Footprinting
    CAPEC-574 Services Footprinting
    CAPEC-575 Account Footprinting
    CAPEC-576 Group Permission Footprinting
    CAPEC-577 Owner Footprinting
    CAPEC-578 Disable Security Software
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-616 Establish Rogue Location
    CAPEC-643 Identify Shared Files/Directories on System
    CAPEC-646 Peripheral Footprinting
    CAPEC-651 Eavesdropping
    CAPEC-79 Using Slashes in Alternate Encoding

    Related CVEs

    CVE-2026-2702 (CVSS 1.3) — A security flaw has been discovered in Beetel 777VR1 up to 01.00.09. This issue affects some unknown processin…
    CVE-2026-2618 (CVSS 2.9) — A vulnerability was determined in Beetel 777VR1 up to 01.00.09. This impacts an unknown function of the compon…
    CVE-2026-2617 (CVSS 2.1) — A vulnerability was found in Beetel 777VR1 up to 01.00.09. This affects an unknown function of the component T…
    CVE-2026-2616 (CVSS 7.4) — A vulnerability has been found in Beetel 777VR1 up to 01.00.09. The impacted element is an unknown function of…
    CVE-2026-1411 (CVSS 4.5) — A flaw has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55. The affected element is an unknown function…
    CVE-2026-1410 (CVSS 4.5) — A vulnerability was detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. Impacted is an unknown function of t…
    CVE-2026-1409 (CVSS 0.3) — A security vulnerability has been detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. This issue affects som…
    CVE-2026-1408 (CVSS 0.3) — A weakness has been identified in Beetel 777VR1 up to 01.00.09/01.00.09_55. This vulnerability affects unknown…
    CVE-2020-36056 (CVSS 5.4) — Beetel 777VR1-DI Hardware Version REV.1.01 Firmware Version V01.00.09_55 was discovered to contain a cross-sit…
    CVE-2020-25498 (CVSS 4.8) — Cross Site Scripting (XSS) vulnerability in Beetel router 777VR1 can be exploited via the NTP server name in S…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High