CVE-2017-11420

highpriority · track · 41EPSS 0.056 · 93 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

5.61% (93rd) EPSS

CVSS 10 · high

Is it mine?

57 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.09criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

affected products (57)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N300 _3.0.0.4.380.7378fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N16 _3.0.0.4.380.7378fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT_N12+_PRO _3.0.0.4.380.9880fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N12+ _3.0.0.4.380.7378fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N12D1 _3.0.0.4.380.7378fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N12HP_B1 _3.0.0.4.380.3479fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N12HP _3.0.0.4.380.2943fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-AC53 _3.0.0.4.380.9883fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-AC1200 _3.0.0.4.380.9880fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT_AC1200G _3.0.0.4.380.3167fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT_AC1200GU _3.0.0.4.380.5577fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-AC3100 _3.0.0.4.380.7743fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-AC3200 _3.0.0.4.380.7743fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N56U _3.0.0.4.378.7177fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N66U _3.0.0.4.380.7378fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-N18U _3.0.0.4.380.7743fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-AC51U _3.0.0.4.380.7378fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-AC52U _3.0.0.4.380.4180fstec_bduRU
ASUSTeK Computer Inc. Asuswrt-Merlin≤ RT-AC55U _3.0.0.4.380.7378fstec_bduRU

showing 20 of 57

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2017-07-18modified 2026-06-17

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+21038 more

references (5)

External citations — patches, advisories, analysis.

scry

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