CVE-2021-35036

MEDIUM
6.5
CVSS Score
Published: March 1, 2022 at 06:20 AM UTC
Updated: June 17, 2026 at 03:57 AM UTC
62 products affected across 1 vendorEmg5523-t50b FirmwareEmg3525-t50b FirmwareVmg8623-t50b Firmware

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.17\(abpc.2\)c0
Affected range stops below 5.17(abpc.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-ax7501-b0 (same device)
v < 5.50\(abvy.3\)c0
Affected range stops below 5.50(abvy.3)c0, so it looks safe — our inference, not a vendor statement
zyxel-dx3301-t0 (same device)
v < 5.17\(abyo.2\)c0
Affected range stops below 5.17(abyo.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-dx5401-b0 (same device)
v < 5.50\(abpm.7\)c0
Affected range stops below 5.50(abpm.7)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg3525-t50b (same device)
v < 5.50\(abpm.7\)c0
Affected range stops below 5.50(abpm.7)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg5523-t50b (same device)
v < 5.50\(abom.8\)c0
Affected range stops below 5.50(abom.8)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg5723-t50k (same device)
v < 5.40\(abvh.0\)c0a03
Affected range stops below 5.40(abvh.0)c0a03, so it looks safe — our inference, not a vendor statement
zyxel-ep240p (same device)
v < 5.17\(abyo.2\)c0
Affected range stops below 5.17(abyo.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-ex5401-b0 (same device)
v < 5.17\(abry.3\)c0
Affected range stops below 5.17(abry.3)c0, so it looks safe — our inference, not a vendor statement
zyxel-ex5501-b0 (same device)
v < 1.00\(abqu.6\)c0
Affected range stops below 1.00(abqu.6)c0, so it looks safe — our inference, not a vendor statement
zyxel-lte3301-plus (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

6.5MEDIUMZyxel
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-312

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