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CVE-2021-47740

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2021
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

KZTech JT3500V 4G LTE CPE 2.0.1 Insufficient Session Expiration Vulnerability

KZTech JT3500V 4G LTE CPE 2.0.1 contains a session management vulnerability that allows attackers to reuse old session credentials without proper expiration. Attackers can exploit the weak session handling to maintain unauthorized access and potentially compromise device authentication mechanisms.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

JT3500V

Vendor
KZ Broadband Technologies, Ltd.
Product
JT3500V
Platforms
Unknown
Default status
Unknown
JT3500V · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.1B1064affectedUnavailableUnavailableUnavailableNone listed
2.0.1B1047affectedUnavailableUnavailableUnavailableNone listed

AM6200M

Vendor
KZ Broadband Technologies, Ltd.
Product
AM6200M
Platforms
Unknown
Default status
Unknown
AM6200M · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B3210affectedUnavailableUnavailableUnavailableNone listed

AM6000N

Vendor
KZ Broadband Technologies, Ltd.
Product
AM6000N
Platforms
Unknown
Default status
Unknown
AM6000N · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B3042affectedUnavailableUnavailableUnavailableNone listed

AM5000W

Vendor
KZ Broadband Technologies, Ltd.
Product
AM5000W
Platforms
Unknown
Default status
Unknown
AM5000W · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B3037affectedUnavailableUnavailableUnavailableNone listed

AM4200M

Vendor
KZ Broadband Technologies, Ltd.
Product
AM4200M
Platforms
Unknown
Default status
Unknown
AM4200M · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B2996affectedUnavailableUnavailableUnavailableNone listed

AM4100V

Vendor
KZ Broadband Technologies, Ltd.
Product
AM4100V
Platforms
Unknown
Default status
Unknown
AM4100V · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B2988affectedUnavailableUnavailableUnavailableNone listed

AM3500MW

Vendor
KZ Broadband Technologies, Ltd.
Product
AM3500MW
Platforms
Unknown
Default status
Unknown
AM3500MW · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B1092affectedUnavailableUnavailableUnavailableNone listed

AM3410V

Vendor
KZ Broadband Technologies, Ltd.
Product
AM3410V
Platforms
Unknown
Default status
Unknown
AM3410V · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B1085affectedUnavailableUnavailableUnavailableNone listed

AM3300V

Vendor
KZ Broadband Technologies, Ltd.
Product
AM3300V
Platforms
Unknown
Default status
Unknown
AM3300V · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B1060affectedUnavailableUnavailableUnavailableNone listed

AM3100E

Vendor
KZ Broadband Technologies, Ltd.
Product
AM3100E
Platforms
Unknown
Default status
Unknown
AM3100E · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B981affectedUnavailableUnavailableUnavailableNone listed

AM3100V

Vendor
KZ Broadband Technologies, Ltd.
Product
AM3100V
Platforms
Unknown
Default status
Unknown
AM3100V · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B946affectedUnavailableUnavailableUnavailableNone listed

AM3000M

Vendor
KZ Broadband Technologies, Ltd.
Product
AM3000M
Platforms
Unknown
Default status
Unknown
AM3000M · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B21affectedUnavailableUnavailableUnavailableNone listed

KZ7621U

Vendor
KZ Broadband Technologies, Ltd.
Product
KZ7621U
Platforms
Unknown
Default status
Unknown
KZ7621U · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B14affectedUnavailableUnavailableUnavailableNone listed

KZ3220M

Vendor
KZ Broadband Technologies, Ltd.
Product
KZ3220M
Platforms
Unknown
Default status
Unknown
KZ3220M · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B04affectedUnavailableUnavailableUnavailableNone listed

KZ3120R

Vendor
KZ Broadband Technologies, Ltd.
Product
KZ3120R
Platforms
Unknown
Default status
Unknown
KZ3120R · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
2.0.0B01affectedUnavailableUnavailableUnavailableNone listed