CVE-2025-9379: Belkin AX1800 Firmware Update data authenticity

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-24 · updated 2026-06-17
Weakness: CWE-345

Description

A vulnerability was determined in Belkin AX1800 1.1.00.016. Affected by this vulnerability is an unknown functionality of the component Firmware Update Handler. This manipulation causes insufficient verification of data authenticity. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Belkin AX1800: 1.1.00.016

References

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Belkin/AX1800.md
https://vuldb.com/?ctiid.321212
https://vuldb.com/?id.321212
https://vuldb.com/?submit.628641

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