CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
19.7%
The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands by sending a crafted query parameter attached to the URL of an affected deviceβs web management interface.
[
{
"defaultStatus": "unaffected",
"product": "NAS326 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "<= V5.21(AAZF.15)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "NAS542 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "<= V5.21(ABAG.12)C0"
}
]
}
]
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
19.7%