Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-61875— luci-app-upnp Stored XSS via UPnP Port Mapping Description

Quick assessment

Affected
openwrt luci
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenWRT luci是OpenWRT社区开源的一款路由器配置界面。 OpenWRT luci存在跨站脚本漏洞，该漏洞源于存储型跨站脚本问题，可能导致未经身份验证的局域网客户端通过UPnP IGD AddPortMapping SOAP请求注入JavaScript，攻击者可在NewPortMappingDescription字段中发送恶意HTML，当管理员查看UPnP或Status页面时执行有效载荷。

CVSS 8.8 · High EPSS 0.36% · P30

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
openwrt luci < 24.10.8 affected
25.12.0< 25.12.5 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-61875

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
luci-app-upnp Stored XSS via UPnP Port Mapping Description
Source: CVE Program / CVE List V5
Vulnerability Description
luci-app-upnp contains a stored cross-site scripting vulnerability that allows unauthenticated LAN clients to inject JavaScript via UPnP IGD AddPortMapping SOAP requests. Attackers can send malicious HTML in the NewPortMappingDescription field, which miniupnpd stores and luci-app-upnp renders without output encoding, executing the payload when administrators view the UPnP or Status pages.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenWRT luci 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenWRT luci是OpenWRT社区开源的一款路由器配置界面。 OpenWRT luci存在跨站脚本漏洞，该漏洞源于存储型跨站脚本问题，可能导致未经身份验证的局域网客户端通过UPnP IGD AddPortMapping SOAP请求注入JavaScript，攻击者可在NewPortMappingDescription字段中发送恶意HTML，当管理员查看UPnP或Status页面时执行有效载荷。
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
openwrt luci 0 ~ 24.10.8 -

II. Public POCs for CVE-2026-61875

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
Upgrade to Pro+
Qwen3.6-35B-A3B · 13571 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-61875

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-61875 (1)

Other References for CVE-2026-61875 (1)

Same Patch Batch · openwrt · 2026-07-12 · 3 CVEs total

CVE-2026-59260 8.8 HIGH OpenWrt luci-app-samba4 read ACL remote code execution via smbd
CVE-2026-61876 8.8 HIGH LuCI DHCPv6 Lease Hostname Stored Cross-Site Scripting

IV. Related Vulnerabilities

Same product: luci
Same vendor: openwrt
Same weakness: CWE-79