VYPR
Unrated severityNVD Advisory· Published Jun 3, 2020· Updated Nov 15, 2024

Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities

CVE-2020-3198

Description

Multiple vulnerabilities in Cisco IOS Software for industrial routers allow unauthenticated remote or authenticated local attackers to execute arbitrary code or cause denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Multiple vulnerabilities in Cisco IOS Software for industrial routers allow unauthenticated remote or authenticated local attackers to execute arbitrary code or cause denial of service.

Vulnerability

Multiple vulnerabilities exist in Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000). These vulnerabilities allow an unauthenticated, remote attacker or an authenticated, local attacker to execute arbitrary code on an affected system or cause it to crash and reload [1]. The affected software versions are detailed in the Cisco Security Advisory.

Exploitation

An unauthenticated, remote attacker can exploit these vulnerabilities by sending specially crafted packets to the affected device. An authenticated, local attacker with low privileges can exploit them via crafted commands. No user interaction is required, and the attacker must have network access to the device for remote exploitation [1].

Impact

Successful exploitation could allow an attacker to execute arbitrary code on an affected system, potentially gaining full control, or cause the system to crash and reload, resulting in a denial of service condition [1].

Mitigation

Cisco has released free software updates that address these vulnerabilities. Customers should upgrade to the fixed versions as specified in the Cisco Security Advisory [1]. No workarounds are available; upgrading is the recommended action.

AI Insight generated on May 25, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

2

Patches

0

No patches discovered yet.

Vulnerability mechanics

No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.

References

1

News mentions

0

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