VulnerabilityDeferred
CVE-2026-77974
After spoofing the device and obtaining one user confirmation, an attacker may be able to cause the application to transmit firmware through an unauthenticated and unsigned update channel.
HIGH 8.5EPSS 0.16%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
After spoofing the device and obtaining one user confirmation, an attacker may be able to cause the application to transmit firmware through an unauthenticated and unsigned update channel.
- CVSS 4.0
- 8.5 HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/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/M
- EPSS
- 0.16% probability · 5th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Source
- ics-cert@hq.dhs.gov
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.