CVE-2026-86326
An improper verification of cryptographic signature vulnerability exists in protocol…
- Risk score
- 53/100
- CVSS
- 8.6 v4.0
- Exploit chance (30 days)
- 0.2%
- Published
- 2 Oct 2026
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What to know
- What it is
- An improper verification of cryptographic signature vulnerability exists in protocol gateways because the device does not properly verify the cryptographic authenticity of firmware images before installation. An attacker with high privileges and access to the firmware update interface could provide a specially crafted…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.6 high
References
Original description
An improper verification of cryptographic signature vulnerability exists in protocol gateways because the device does not properly verify the cryptographic authenticity of firmware images before installation. An attacker with high privileges and access to the firmware update interface could provide a specially crafted or modified firmware image, causing it to be installed on the device. Successful exploitation could allow the attacker to execute unauthorized code, compromise the integrity and availability of the device, and persist malicious modifications across subsequent firmware updates.
Last activity 2 Oct 2026. Patch Forecast updates every hour.