CVE-2017-11420: n/a vulnerability

CVE-2017-11420: Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices a...

Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 18:12 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-11420 is a router firmware flaw that can let a remote attacker run code on affected ASUS devices by sending overly long device information. For executives, the concern is control of network edge equipment, especially older routers still running vulnerable ASUS or Asuswrt-Merlin firmware. Exposure is most likely on listed ASUS router models running affected ASUS or Asuswrt-Merlin firmware with networkmap/ASUS discovery handling device information. The source bundle does not establish internet exposure, default reachability, or exact fixed versions. Treat this as a high-priority legacy network-device risk. The business decision is to identify affected routers, confirm vendor-fixed firmware availability, and remove unsupported devices from trusted network roles. Mitigation focus: Inventory ASUS router models and firmware versions against the affected model list.; Review ASUS and Asuswrt-Merlin changelogs for fixed firmware guidance.; Apply vendor-supported firmware that addresses this CVE where available..

Prepared: Jun 13, 2026, 04:25 UTC (UTC+00:00)

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Execution behavior lookup

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CVE-2017-11420 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 18, 2017, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://asuswrt.lostrealm.ca/changelogCVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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