CVE-2021-47740 (CNNVD-202512-5538)
MEDIUM
中文标题:
KZTech JT3500V 代码问题漏洞
英文标题:
KZTech JT3500V 4G LTE CPE 2.0.1 Insufficient Session Expiration Vulnerability
CVSS分数:
6.9
发布时间:
2025-12-31 18:40:53
漏洞类型:
代码问题
状态:
PUBLISHED
数据质量分数:
0.40
数据版本:
v3
漏洞描述
中文描述:
KZTech JT3500V是美国KZTech公司的一款无线宽带路由器。 KZTech JT3500V存在代码问题漏洞，该漏洞源于会话管理不当，可能导致攻击者重用旧会话凭据。
英文描述:
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.
CWE类型:
CWE-613
标签:
（暂无数据）
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| KZ Broadband Technologies, Ltd. | JT3500V | 2.0.1B1064 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:jt3500v:2.0.1b1064:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | JT3500V | 2.0.1B1047 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:jt3500v:2.0.1b1047:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM6200M | 2.0.0B3210 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am6200m:2.0.0b3210:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM6000N | 2.0.0B3042 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am6000n:2.0.0b3042:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM5000W | 2.0.0B3037 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am5000w:2.0.0b3037:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM4200M | 2.0.0B2996 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am4200m:2.0.0b2996:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM4100V | 2.0.0B2988 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am4100v:2.0.0b2988:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM3500MW | 2.0.0B1092 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am3500mw:2.0.0b1092:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM3410V | 2.0.0B1085 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am3410v:2.0.0b1085:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM3300V | 2.0.0B1060 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am3300v:2.0.0b1060:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM3100E | 2.0.0B981 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am3100e:2.0.0b981:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM3100V | 2.0.0B946 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am3100v:2.0.0b946:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | AM3000M | 2.0.0B21 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:am3000m:2.0.0b21:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | KZ7621U | 2.0.0B14 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:kz7621u:2.0.0b14:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | KZ3220M | 2.0.0B04 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:kz3220m:2.0.0b04:*:*:*:*:*:*:*
|
| KZ Broadband Technologies, Ltd. | KZ3120R | 2.0.0B01 | - | - |
cpe:2.3:a:kz_broadband_technologies,_ltd.:kz3120r:2.0.0b01:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
（暂无数据）
英文解决方案:
（暂无数据）
临时解决方案:
（暂无数据）
参考链接
Zero Science Lab Disclosure (ZSL-2021-5646)
third-party-advisory
cve.org
访问
cve.org
Packet Storm Security Exploit Entry
exploit
cve.org
访问
cve.org
IBM X-Force Vulnerability Exchange Entry
vdb-entry
cve.org
访问
cve.org
KZ TECH Vendor Homepage
product
cve.org
访问
cve.org
JATON TEC Homepage
product
cve.org
访问
cve.org
Neotel Vendor Homepage
product
cve.org
访问
cve.org
VulnCheck Advisory: KZTech JT3500V 4G LTE CPE 2.0.1 Insufficient Session Expiration Vulnerability
third-party-advisory
cve.org
访问
cve.org
CVSS评分详情
4.0 (cna)
MEDIUM
6.9
CVSS向量:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
机密性
LOW
完整性
LOW
可用性
NONE
后续系统影响 (Subsequent):
机密性
NONE
完整性
NONE
可用性
NONE
3.1 (cna)
HIGH
7.5
CVSS向量:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
机密性
HIGH
完整性
NONE
可用性
NONE
时间信息
发布时间:
2025-12-31 18:40:53
修改时间:
2026-01-02 20:42:41
创建时间:
2026-01-12 02:08:11
更新时间:
2026-01-20 03:10:45
利用信息
暂无可利用代码信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2021-47740 |
2026-01-04 02:04:11 | 2026-01-12 02:08:11 |
| NVD | nvd_CVE-2021-47740 |
2026-01-01 04:27:49 | 2026-01-12 02:26:33 |
| CNNVD | cnnvd_CNNVD-202512-5538 |
2026-01-11 06:15:02 | 2026-01-12 02:38:10 |
版本与语言
当前版本:
v3
主要语言:
EN
支持语言:
ZH
EN
安全公告
暂无安全公告信息
变更历史
v3
CNNVD
2026-01-12 02:38:10
vulnerability_type: 未提取 → 代码问题; cnnvd_id: 未提取 → CNNVD-202512-5538; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
- vulnerability_type: 未提取 -> 代码问题
- cnnvd_id: 未提取 -> CNNVD-202512-5538
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2
NVD
2026-01-12 02:26:33
data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
- data_sources: ['cve'] -> ['cve', 'nvd']