Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface (gNPSI) enabled, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised switch.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
| Date | Total | Labels |
|---|
| 2026-09-17 | 2 | Disclosure1General1 |
| 2026-09-22 | 1 | Patch1 |
[CVE] CVE-2026-73456 [HIGH PRIORITY] #Under certain circumstances, an unauthenticated gNPSI client can craft a mali... 🔗 https://exploitgrid.net/cve/CVE-2026-73456
Post summary
The post announces CVE-2026-73456 with a brief, truncated description and a link to an external site for more information, indicating a disclosure-focused message.
🛡️ #ExploitGrid Daily #Threat Digest Top Vulnerabilities (CVEs) of the day CVE-2026-20130 CVE-2026-20192 CVE-2026-70416 CVE-2026-73453 CVE-2026-73456 ..🧵👇
Post summary
The tweet lists several CVEs as top vulnerabilities of the day without providing details on PoC, exploits, patches, or active exploitation.
🌐 Arista EOS with gNPSI enabled is exposed to unauthenticated RCE. A crafted gRPC request grants full admin control over the switch. CVE-2026-73456, CVSS 9.2. Disable gNPSI or patch now. #cybersecurity #ciso #cto #vulnerabilities #msp https://secalerts.co/vulnerability/CVE-2026-73456?utm_campaign=x https://t.co/ExnSUceNWI
Post summary
The tweet discloses an unauthenticated RCE in Arista EOS when gNPSI is enabled, describing a crafted gRPC request that yields admin control (CVE-2026-73456, CVSS 9.2), and urges users to disable the feature or apply a patch.