CVE-2017-6884

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.330 · 98 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

33.0% (98th) EPSS

CVSS 9 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2023-09-18remediate by 2023-10-09

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-27

Zyxel EMG2926 Routers Command Injection Vulnerability

A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.

cvss

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

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimaryCWE-707USCWE-74USCWE-78US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-41782Zyxel_ EMG2926 < V1.00(AAQT.4)b8 - OS Command InjectionPoC · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Zyxel Communications Corp. EMG2926≤ 1.00(AAQT.4)b8fstec_bduRU
zyxel emg2926 firmware= v1.00(aaqt.4)b8nvdUScpe:2.3:o:zyxel:emg2926_firmware:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2017-04-06modified 2026-10-01

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references (4)

External citations — patches, advisories, analysis.

https://www.exploit-db.com/exploits/41782/cnnvd
https://www.exploit-db.com/exploits/41782/enisa_euvd
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6884US Government Resourcenvd
https://www.exploit-db.com/exploits/41782/ExploitThird Party AdvisoryVDB Entrynvd

scry

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