12 security flaws are fixed in the semi-annual update.
Cisco Systems has released its twice-yearly set of security patches for its router firmware, fixing 12 security flaws in the products.
Cisco describes the bugs in 11 security advisories, released Wednesday, saying that they affect routers and switches that use the Cisco Unified Communications Manager, as well as a variety of services in the devices' underlying Cisco IOS operating system.
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Cisco patches a dozen router bugs | Networking - InfoWorld