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CVE-2026-36603

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mercusys AC12G是中国Mercusys公司的一款千兆无线路由器。 Mercusys AC12G EU V1 AC12G EU V1 200909版本存在安全漏洞，该漏洞源于UPnP IGD操作未经验证，可能导致未经身份验证的LAN设备创建任意端口转发规则并访问WAN流量统计。

AI Predicted 7.5 Difficulty: Easy EPSS 0.33% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-36603

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 exposes 15 of 18 UPnP IGD actions without authentication on port 1900, including AddPortMapping and GetExternalIPAddress. UPnP is enabled by default through the admin interface, allowing any unauthenticated LAN device to create arbitrary port forwarding rules and access WAN traffic statistics.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mercusys AC12G 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mercusys AC12G是中国Mercusys公司的一款千兆无线路由器。 Mercusys AC12G EU V1 AC12G EU V1 200909版本存在安全漏洞，该漏洞源于UPnP IGD操作未经验证，可能导致未经身份验证的LAN设备创建任意端口转发规则并访问WAN流量统计。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-36603

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III. Intelligence Information for CVE-2026-36603

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Vendor Advisories for CVE-2026-36603 (1)

Same Patch Batch · n/a · 2026-06-03 · 32 CVEs total

CVE-2026-10766 3.6 LOW mlrun DataFrame Hash helpers.py mlrun.utils.helpers.calculate_dataframe_hash weak hash
CVE-2026-10705 3.1 LOW dask HLL hyperloglog.py nunique_approx resource consumption
CVE-2025-70100 lwext4 安全漏洞
CVE-2025-70101 lwext4 安全漏洞
CVE-2025-60477 GPAC 安全漏洞
CVE-2026-37700 MaxSite CMS 安全漏洞
CVE-2026-37462 GoBGP 安全漏洞
CVE-2026-37460 FRRouting 安全漏洞
CVE-2026-39107 Moonshot AI Kimi AI 安全漏洞
CVE-2026-36606 Mercusys AC12G 安全漏洞
CVE-2026-36605 Mercusys AC12G 安全漏洞
CVE-2026-36604 Mercusys AC12G 安全漏洞
CVE-2026-36616 Mercusys AC12G 安全漏洞
CVE-2026-36615 Mercusys AC12G 安全漏洞
CVE-2026-36608 Mercusys AC12G 安全漏洞
CVE-2026-36612 Mercusys AC12G 安全漏洞
CVE-2026-36610 Mercusys AC12G 安全漏洞
CVE-2026-36618 Mercusys AC12G 安全漏洞
CVE-2026-36609 Mercusys AC12G 安全漏洞
CVE-2026-36607 Mercusys AC12G 安全漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-36603

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