CVE-2026-19683— TP-Link ER7212PC 加密问题漏洞
一分钟漏洞结论
影响对象
TP-Link Systems Inc. ER7212PC v2
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
TP-Link ER7212PC是中国TP-Link公司的一款多功能路由器。 ER7212PC v2存在加密问题漏洞，可能导致攻击者利用漏洞破坏系统的机密性、完整性或可用性。
影响版本矩阵 19
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| TP-Link Systems Inc | ER7406 v1 | < 1.3.4 Build 20260625 Rel.43136 |
affected |
| TP-Link Systems Inc | ER7412-M2 v1 | < 1.2.0 Build 20260630 Rel.82947 |
affected |
| TP-Link Systems Inc. | DR3150 v1 | < 1.0.1 Build 20260722 Rel.16854 |
affected |
| TP-Link Systems Inc. | DR3220v-4G v1 | < 1.2.0 Build 20260630 Rel.82652 |
affected |
| TP-Link Systems Inc. | DR3650v v1 | < 1.2.0 Build 20260630 Rel.83311 |
affected |
| TP-Link Systems Inc. | DR3650v-4G v1 | < 1.2.0 Build 20260630 Rel.83347 |
affected |
| TP-Link Systems Inc. | ER603WP-4G-Outdoor v1 | < 1.0.2 Build 20260723 Rel.43271 |
affected |
| TP-Link Systems Inc. | ER605 v2 | < 2.4.4 Build 20260630 Rel.14398 |
affected |
| TP-Link Systems Inc. | ER605W v2 | < 2.0.4 Build 20260723 Rel.43763 |
affected |
| TP-Link Systems Inc. | ER701-5G-Outdoor v1 | < 1.0.3 Build 20260723 Rel.40931 |
affected |
| TP-Link Systems Inc. | ER703WP-4G-Outdoor v1 | < 1.1.7 Build 20260723 Rel.41712 |
affected |
| TP-Link Systems Inc. | ER706W v1 | < 1.2.11 Build 20260723 Rel.41567 |
affected |
| TP-Link Systems Inc. | ER706W-4G v2 | < 2.1.11 Build 20260723 Rel.41624 |
affected |
| TP-Link Systems Inc. | ER706WP-4G v1 | < 1.1.11 Build 20260723 Rel.41624 |
affected |
| TP-Link Systems Inc. | ER707-M2 v1 | < 1.4.4 Build 20260625 Rel.43063 |
affected |
| TP-Link Systems Inc. | ER7206 v2 | < 2.3.5 Build 20260625 Rel.43136 |
affected |
| TP-Link Systems Inc. | ER7212PC v2 | < 2.4.3 Build 20260722 Rel.40250 |
affected |
| TP-Link Systems Inc. | ER8411 v1 | < 1.4.1 Build 20260708 Rel.64832 |
affected |
| TP-Link Systems Inc. | v1 | < 1.2.6 Build 20260723 Rel.41321 |
affected |
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一、 漏洞 CVE-2026-19683 基础信息
漏洞信息
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Vulnerability Title
Unencrypted Credential Transmission in Omada Gateway Dynamic DNS Authentication in Omada Gateways
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability exists in the Dynamic DNS (DDNS) functionality of TP-Link Omada Gateways. During communication with a third-party DDNS service, authentication credentials are transmitted over an unencrypted channel. An attacker who can observe or manipulate traffic between an affected device and the DDNS service may obtain sensitive authentication information or interfere with DDNS update operations. Exploitation requires DDNS to be configured, communication with an external DDNS service, and attacker visibility or control of the relevant network path.
Successful exploitation may result in disclosure of DDNS account credentials, unauthorized access to DDNS management functionality, or modification of DNS records associated with the affected deployment.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
来源: CVE Program / CVE List V5
Vulnerability Title
TP-Link ER7212PC 加密问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
TP-Link ER7212PC是中国TP-Link公司的一款多功能路由器。 ER7212PC v2存在加密问题漏洞，可能导致攻击者利用漏洞破坏系统的机密性、完整性或可用性。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| TP-Link Systems Inc. | ER7212PC v2 | 0 ~ 2.4.3 Build 20260722 Rel.40250 | - |
|
| TP-Link Systems Inc. | ER605 v2 | 0 ~ 2.4.4 Build 20260630 Rel.14398 | - |
|
| TP-Link Systems Inc. | ER7206 v2 | 0 ~ 2.3.5 Build 20260625 Rel.43136 | - |
|
| TP-Link Systems Inc | ER7406 v1 | 0 ~ 1.3.4 Build 20260625 Rel.43136 | - |
|
| TP-Link Systems Inc. | ER707-M2 v1 | 0 ~ 1.4.4 Build 20260625 Rel.43063 | - |
|
| TP-Link Systems Inc | ER7412-M2 v1 | 0 ~ 1.2.0 Build 20260630 Rel.82947 | - |
|
| TP-Link Systems Inc. | ER8411 v1 | 0 ~ 1.4.1 Build 20260708 Rel.64832 | - |
|
| TP-Link Systems Inc. | ER706W v1 | 0 ~ 1.2.11 Build 20260723 Rel.41567 | - |
|
| TP-Link Systems Inc. | v1 | 0 ~ 1.2.6 Build 20260723 Rel.41321 | - |
|
| TP-Link Systems Inc. | ER706W-4G v2 | 0 ~ 2.1.11 Build 20260723 Rel.41624 | - |
|
| TP-Link Systems Inc. | ER706WP-4G v1 | 0 ~ 1.1.11 Build 20260723 Rel.41624 | - |
|
| TP-Link Systems Inc. | ER703WP-4G-Outdoor v1 | 0 ~ 1.1.7 Build 20260723 Rel.41712 | - |
|
| TP-Link Systems Inc. | DR3220v-4G v1 | 0 ~ 1.2.0 Build 20260630 Rel.82652 | - |
|
| TP-Link Systems Inc. | DR3650v v1 | 0 ~ 1.2.0 Build 20260630 Rel.83311 | - |
|
| TP-Link Systems Inc. | DR3650v-4G v1 | 0 ~ 1.2.0 Build 20260630 Rel.83347 | - |
|
| TP-Link Systems Inc. | ER603WP-4G-Outdoor v1 | 0 ~ 1.0.2 Build 20260723 Rel.43271 | - |
|
| TP-Link Systems Inc. | DR3150 v1 | 0 ~ 1.0.1 Build 20260722 Rel.16854 | - |
|
| TP-Link Systems Inc. | ER701-5G-Outdoor v1 | 0 ~ 1.0.3 Build 20260723 Rel.40931 | - |
|
| TP-Link Systems Inc. | ER605W v2 | 0 ~ 2.0.4 Build 20260723 Rel.43763 | - |
|
二、漏洞 CVE-2026-19683 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-19683 厂商安全公告 (1)
CVE-2026-19683 厂商页面 (1)
同批安全公告 · TP-Link Systems Inc. · 2026-08-20 · 共 3 条
| CVE-2026-19586 | 9.3 CRITICAL | TP-Link ER7212PC 命令注入漏洞 |
| CVE-2026-9033 | 6.0 MEDIUM | TP-Link ER7212PC 授权问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-19683
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