CVE-2017-6884
· published 2017-04-06
Source record Collected from the National Vulnerability Database (NVD)
CISA Known Exploited Vulnerabilities
CISA lists this CVE as known exploited (added 2023-09-18).
- CISA's name for it: Zyxel EMG2926 Routers Command Injection Vulnerability
- CISA's description: Zyxel EMG2926 routers contain a command injection vulnerability located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute malicious commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.
- Known ransomware campaign use, per CISA: Known
Source: CISA KEV catalog (CC0 1.0).
Description
Description by MITRE via the CVE Program.
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.
Status at the source
- NVD status: Analyzed
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a: affected |
Products named in NVD's CPE match criteria (1)
cpe:2.3:o:zyxel:emg2926_firmware:v1.00\(aaqt.4\)b8:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 8.8 HIGH — as published by NIST (Primary)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1: 8.8 HIGH — as published by CISA-ADP (Secondary)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0: 9 HIGH — as published by NIST (Primary)
AV:N/AC:L/Au:S/C:C/I:C/A:C - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: active · Automatable: no · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.exploit-db.com/exploits/41782/
- https://www.exploit-db.com/exploits/41782/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6884
Source dates: published 2017-04-06, last changed 2026-10-01. DeSpy's copy of this version is dated 2026-10-01.
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