CVE-2016-1134: Cross-site request forgery (CSRF) vulnerability on BUFFALO BHR-4GRV2 devices with firmware 1.04 and earlier...

Security readout for executives and security teams

CVE-2016-1134 is a CSRF issue in several older BUFFALO network devices. If an authenticated administrator is tricked into visiting attacker-controlled content, the device could accept unwanted management actions as that user. Public sources do not provide CVSS scoring, confirmed exploitation, or detailed remediation in the supplied bundle. Exposure is most likely in environments still running the named legacy BUFFALO routers or wireless devices with vulnerable firmware. Risk depends on whether administrators access the web management interface and whether management access is reachable from user browsing environments. Treat this as an inventory and lifecycle priority rather than an emergency unless affected devices manage critical network paths. The main concern is older network infrastructure with weak administrative protections and unclear vendor support status. Mitigation focus: Inventory BUFFALO devices and compare models and firmware against the affected version list.; Check BUFFALO and JVN guidance for fixed firmware or supported replacement advice.; Upgrade affected firmware if a vendor-provided fixed version is available..

Prepared

Jun 13, 2026, 21:06 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.