Medium severity · published Mar 1, 2022
CVE-2021-35036
A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k could allow an authenticated attacker to obtain sensitive information…
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k could allow an authenticated attacker to obtain sensitive information from the configuration file.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ax7501-b0 Firmware · Zyxel
before 5.17\(abpc.2\)c0 · source: NVD
DF
Dx3301-t0 Firmware · Zyxel
before 5.50\(abvy.3\)c0 · source: NVD
DF
Dx5401-b0 Firmware · Zyxel
before 5.17\(abyo.2\)c0 · source: NVD
EF
Emg3525-t50b Firmware · Zyxel
before 5.50\(abpm.7\)c0 · source: NVD
EF
Emg5523-t50b Firmware · Zyxel
before 5.50\(abpm.7\)c0 · source: NVD
EF
Emg5723-t50k Firmware · Zyxel
before 5.50\(abom.8\)c0 · source: NVD
EF
Ep240p Firmware · Zyxel
before 5.40\(abvh.0\)c0a03 · source: NVD
EF
Ex5401-b0 Firmware · Zyxel
before 5.17\(abyo.2\)c0 · source: NVD
EF
Ex5501-b0 Firmware · Zyxel
before 5.17\(abry.3\)c0 · source: NVD
LF
Lte3301-plus Firmware · Zyxel
before 1.00\(abqu.6\)c0 · source: NVD
LF
Lte5388-m804 Firmware · Zyxel
before 1.00\(abra.6\)c0 · source: NVD
LF
Lte5388-s905 Firmware · Zyxel
before 1.00\(abvi.6\)c0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35036
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35036
Vendor Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-information-vulnerability
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