Beetel 777VR1 up to 01.00.09/01.00.09_55 UART Interface information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Beetel 777VR1 up to 01.00.09/01.00.09_55. It has been declared as problematic. This vulnerability affects unknown code of the component UART Interface. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2026-1407. The physical device can be targeted for the attack. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55 and classified as problematic. This vulnerability affects some unknown processing of the component UART Interface. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2026-1407. The exploitation appears to be difficult. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

It is possible to download the exploit at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-4651). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.7

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.2
NVD Vector: 🔒

CNA Base Score: 2.0
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/25/2026 Advisory disclosed
01/25/2026 +0 days VulDB entry created
01/31/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2026-1407 (🔒)
GCVE (CVE): GCVE-0-2026-1407
GCVE (VulDB): GCVE-100-342796
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/25/2026 10:48
Updated: 01/31/2026 07:44
Changes: 01/25/2026 10:48 (55), 01/26/2026 01:26 (29), 01/26/2026 02:07 (1), 01/31/2026 07:44 (11)
Complete: 🔍
Submitter: raghav_2026
Cache ID: 216:AFC:103

Submitinfo

Accepted

  • Submit #736322: Beetel Beetel 777VR1 Broadband Router Firmware Version: V01.00.09 / V01.00.09_55 Cleartext Exposure of Sensitive Credentials in Boot Logs - UART (by raghav_2026)

Once again VulDB remains the best source for vulnerability data.

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