CVE-2026-1407
Beetel 777VR1 UART information disclosure
Description
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.
INFO
Published Date :
Jan. 25, 2026, 10:16 p.m.
Last Modified :
Jan. 30, 2026, 8:34 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Restrict physical access to the device.
- Disable the UART interface if not needed.
- Monitor for unauthorized physical access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-1407.
| URL | Resource |
|---|---|
| https://gist.github.com/raghav20232023/253c041842f622d9c2cb6ee4111c2227 | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.342796 | Permissions Required VDB Entry |
| https://vuldb.com/?id.342796 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.736322 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-1407 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-1407
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-1407 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-1407 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Added CPE Configuration AND OR *cpe:2.3:o:beetel:777vr1_firmware:*:*:*:*:*:*:*:* versions up to (including) 01.00.09_55 OR cpe:2.3:h:beetel:777vr1:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://gist.github.com/raghav20232023/253c041842f622d9c2cb6ee4111c2227 Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.342796 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.342796 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.736322 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Jan. 25, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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:X/V:X/RE:X/U:X Added CVSS V3.1 AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Added CVSS V2 (AV:L/AC:H/Au:N/C:P/I:N/A:N) Added CWE CWE-200 Added CWE CWE-284 Added Reference https://gist.github.com/raghav20232023/253c041842f622d9c2cb6ee4111c2227 Added Reference https://vuldb.com/?ctiid.342796 Added Reference https://vuldb.com/?id.342796 Added Reference https://vuldb.com/?submit.736322