PoC Index

CVE-2026-1409

MEDIUM 4.2EPSS 0.4%

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.

CVSS v4.0
0.3 LOWCVSS: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/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
CVSS v3.1
4.2 MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v3.1
2.0 LOWCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v2.0
1.2 LOWAV:L/AC:H/Au:N/C:P/I:N/A:N
EPSS
0.35% chance of exploitation in the next 30 days, 28th percentile
Published
2026-01-25
Updated
2026-02-23

Proof-of-concept exploits (1)

References

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