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CVE-2026-31267

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 MW302R是中国Mercusys公司的一款路由器设备。 Mercusys MW302R MW302R(EU)_V1_1.4.10版本存在安全漏洞，该漏洞源于管理Web界面存在栈缓冲区溢出，可能允许经过身份验证的管理员通过发送特制请求触发系统崩溃，通过控制流操纵导致拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 0.32% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-31267

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.
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 MW302R 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mercusys MW302R是中国Mercusys公司的一款路由器设备。 Mercusys MW302R MW302R(EU)_V1_1.4.10版本存在安全漏洞，该漏洞源于管理Web界面存在栈缓冲区溢出，可能允许经过身份验证的管理员通过发送特制请求触发系统崩溃，通过控制流操纵导致拒绝服务。
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-2026-31267

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III. Intelligence Information for CVE-2026-31267

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Security Blog Posts for CVE-2026-31267 (1)

Other References for CVE-2026-31267 (1)

Same Patch Batch · n/a · 2026-07-09 · 25 CVEs total

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CVE-2026-38076 Artifex jbig2dec 拒绝服务漏洞
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CVE-2026-39243 kevva decompress 安全漏洞
CVE-2026-39245 kevva decompress 安全漏洞
CVE-2025-45422 Proximus b-box 安全漏洞
CVE-2026-51923 docuForm GmbH Client 安全漏洞
CVE-2026-51925 docuForm GmbH Client 安全漏洞
CVE-2026-51926 docuForm GmbH FSM Client 安全漏洞
CVE-2026-51924 docuForm GmbH Client 任意文件上传漏洞
CVE-2025-63579 Kyocera Command Center RX 信息泄露漏洞
CVE-2026-51602 Tenda CP3 缓冲区错误漏洞
CVE-2026-51598 Mercury MIPC252W IP Camera 输入验证错误漏洞
CVE-2026-51599 MERCURY MIPC252W 安全漏洞
CVE-2026-51597 Mercury MIPC252W 安全漏洞
CVE-2026-51603 Tenda cp3 缓冲区错误漏洞
CVE-2026-51601 Tenda cp3 缓冲区溢出漏洞

Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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