CVE-2026-1409 (GCVE-0-2026-1409)

Vulnerability from cvelistv5 – Published: 2026-01-25 23:32 – Updated: 2026-02-23 08:54
VLAI?
Title
Beetel 777VR1 UART excessive authentication
Summary
A 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 UART Interface. The manipulation leads to improper restriction of excessive authentication attempts. It is possible to launch the attack on the physical device. The attack's complexity is rated as high. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity ?
1 (Low)
CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
2 (Low)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
2 (Low)
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
  • CWE-799 - Improper Control of Interaction Frequency
Assigner
References
URL Tags
https://vuldb.com/?id.342798 vdb-entrytechnical-description
https://vuldb.com/?ctiid.342798 signaturepermissions-required
https://vuldb.com/?submit.739399 third-party-advisory
https://gist.github.com/raghav20232023/19900b4274… exploit
Impacted products
Vendor Product Version
Beetel 777VR1 Affected: 01.00.09
Affected: 01.00.09_55
Create a notification for this product.
Credits
raghav_2026 (VulDB User)
Show details on NVD website
To clipboard 

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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.