How Do Buffers Work in Cisco Router Systems?. Cisco routers use buffers as blocks of memory to handle data during the network routing process. As data flows through a network, different rates of ...

Cisco (Nasdaq:CSCO) is urging customers to patch for a maximum-severity flaw affecting its IOS XE Software for Wireless controllers. The flaw, tracked as CVE-2025-20188, received a severity rating ...

Cisco has patched a denial of service (DoS) vulnerability that lets attackers crash the Border Gateway Protocol (BGP) process on IOS XR routers with a single BGP update message.

Cisco has released fixes to address two vulnerabilities – CVE-2023-20198 and CVE-2023-20273 – that hackers exploited to compromise tens of thousands of IOS XE devices. CVE-2023-20198 could ...

Cisco releases updates to thwart exploitation of two flaws affecting users of its IOS XE software.

Hackers have exploited an unpatched zero-day vulnerability in Cisco’s networking software to compromise tens of thousands of devices, researchers have warned. Cisco on Monday issued an advisory ...

The Cybersecurity 202 More than 40,000 Cisco switches and routers could be infected October 19, 2023 More than 1 year ago Summary ...

“Cisco buried the lede.” >10,000 network devices backdoored through unpatched 0-day An unknown threat actor is exploiting the vulnerability to create admin accounts.

Chinese state-sponsored threat actors are once again attacking Cisco routers to target private sector giants in Japan and the US, experts have warned. The warning was issued by Japanese and ...

Russian state-sponsored threat actors have built custom malware and are using it against old, unpatched Cisco IOS routers, a joint US-UK report has warned. The UK National Cyber Security Centre ...

The total worldwide enterprise and service provider (SP) router market revenue rose 0.7 percent to $4.6 billion in Q4 2022, IDC report.