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CVE-2017-6884

Published: Apr 6, 2017Updated: Aug 4, 2026 Sources: CVE List NVD BDUCWE-78
8.8HIGH
NVD MITRE
EPSS Score
36.8%
Top 1.6%
CISA KEV
Active Exploitation
Since Sep 18, 2023
Exploits
1 Known
Remediation
Patch Available
Self-Check
Not available

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

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
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.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

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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