CVE-2026-43835 Firmware - Unrestricted File Upload

Firmware contains an unrestricted file upload vulnerability in the firmware upgrade functionality, letting authenticated attackers upload forged firmware files to compromise the device permanently, exploit requires authentication.

CVSS base score 8.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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
Published
20 October 2026
Updated
21 October 2026
Weakness
CWE-345

Vendor fix

Update to the latest firmware version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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