CVE-2022-45440
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.5 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vulnerability to access the root file system by creating a symbolic link on external storage media, such as a USB flash drive, and then logging into the FTP server on a vulnerable device.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| zyxel:ax7501-b0_firmware | zyxel ax7501-b0 firmware | lt | 5.17\(abpc.3\)c0 |
CNA Affected
[
{
"vendor": "Zyxel",
"product": "AX7501-B0 firmware",
"versions": [
{
"version": "< V5.17(ABPC.3)C0",
"status": "affected"
}
]
}
]Related
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.5 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%