Resource exhaustion in Cisco IEC6400 Wireless Backhaul Edge Compute Software - CVE-2026-20080
Published: January 21, 2026
Vulnerability identifier: #VU121915
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20080
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in the SSH service. A remote attacker can initiate multiple connections to the SSH service and make it unresponsive.
Affected software
Cisco IEC6400 Wireless Backhaul Edge Compute Software
How to mitigate CVE-2026-20080
Install updates from vendor's website.
Cisco IEC6400 Wireless Backhaul Edge Compute Software - update to 1.2.0