CVE-2018-14893: zyxel nsa325_v2_firmware Command Injection
CVSS: 9.0v2.0HighModified
Published 27-11-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-14893 is a high (CVSS 9.0) Command Injection vulnerability in zyxel nsa325_v2_firmware. EPSS estimates a 3.44% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
3.44%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 27-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A system command injection vulnerability in zyshclient in ZyXEL NSA325 V2 version 4.81 allows attackers to execute system commands via the web application API.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
3.44%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.44% on 19-09-2026
19-09-202619-10-2026
EPSS score3.44%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (blog.securityevaluators.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Affected systems
Zyxel1 product
1 vendor · 1 product
References
1 links- blog.securityevaluators.com/ise-labs-finds-vulnerabilities-in-zyxel-nsa325-945481a699b8X Refsource MISCExploitThird Party Advisory