01 Record
CVE-2017-6884
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
HighKEVPUBLISHEDCNA: mitre
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2023-09-18. Federal remediation due 2023-10-09. Known ransomware campaign use: reported by CISA.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 32.97% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.3% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-01.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-04-06 17:00Z9 YR AGO
- Last updated
- 2026-10-01 18:18Z27 DAYS AGO
- Reserved
- 2017-03-14
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.2
- Document digest
- 17780c53e2a8ecbe0532da1fe07e7e6ecc3dbb7020ae37787e9078c34e0624eb
05 Affected products
06 References
- www.exploit-db.com41782https://www.exploit-db.com/exploits/41782/
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6884