Beetel 777VR1 up to 01.00.09/01.00.09_55 UART Interface weak password

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 rated as critical. This issue affects some unknown processing of the component UART Interface. The manipulation leads to weak password. This vulnerability is uniquely identified as CVE-2026-1408. It is possible to launch the attack on the physical device. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Beetel 777VR1 up to 01.00.09/01.00.09_55 and classified as problematic. This issue affects an unknown function of the component UART Interface. The manipulation with an unknown input leads to a weak password vulnerability. Using CWE to declare the problem leads to CWE-521. The product does not require that users should have strong passwords, which makes it easier for attackers to compromise user accounts. Impacted is confidentiality.

The advisory is shared at gist.github.com. The identification of this vulnerability is CVE-2026-1408. The exploitation is known to be difficult. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

The exploit is available 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.

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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: Weak password
CWE: CWE-521
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-2026-1408 (🔒)
GCVE (CVE): GCVE-0-2026-1408
GCVE (VulDB): GCVE-100-342797
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), 01/31/2026 07:44 (11)
Complete: 🔍
Submitter: raghav_2026
Cache ID: 216:A42:103

Submitinfo

Accepted

  • Submit #739384: Beetel Beetel 777VR1 Broadband Router Firmware Version: V01.00.09 / V01.00.09_55 CWE-521 — Weak Password Requirements (by raghav_2026)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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