CVE-2026-102551
Improper verification of the source of a communication channel in the IPv6 Router Advertisement…
- Risk score
- 55/100
- CVSS
- 7.7 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 16 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Improper verification of the source of a communication channel in the IPv6 Router Advertisement handler in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow a remote third-party to influence an endpoint's IPv6 default gateway, on-link prefix, and address configuration via a crafted Router Advertisement. To remediate …
- Affected
- See advisory
- Fix
- Upgrade the product to 4.4.2 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.7 high
- Remotely exploitable without logging in
References
Original description
Improper verification of the source of a communication channel in the IPv6 Router Advertisement handler in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow a remote third-party to influence an endpoint's IPv6 default gateway, on-link prefix, and address configuration via a crafted Router Advertisement. To remediate this issue, users should upgrade to version V4.4.2.
Last activity 16 Oct 2026. Patch Forecast updates every hour.