CVE-2017-6884

Published: Apr 6, 2017Updated: Aug 4, 2026 Sources: CVE List NVD BDUCWE-78

8.8HIGH

NVD MITRE

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-78

Affected Products

Zyxel Communications Corp.

commercial·TWaka zyxel

EMG2926

Networking Infrastructure

emg2926 firmware

Networking Infrastructure

and 1 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability

Added to KEV:Sep 18, 2023

Remediation due:Oct 9, 2023

Ransomware:Known ransomware use

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

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://www.exploit-db.com/exploits/41782/

exploit-db.com

https://vuldb.com/?id.99342

vuldb.com

https://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv

cisa.gov

and 1 more references View all →

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