CVE-2026-30871 OpenWrt Project has Stack-based Buffer Overflow in DNS PTR Query

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

CVE-2026-30871

OpenWrt mdns daemon vulnerability (CVE-2026-30871) affects versions prior to 24.10.6 and 25.12.1. A stack-based buffer overflow in parse_question is triggered by PTR queries (reverse DNS: .in-addr.arpa and .ip6.arpa). DNS packets received on UDP port 5353 are expanded by dn_expand into an 8096-by...

CVE-2026-30871 OpenWrt Project has Stack-based Buffer Overflow in DNS PTR Query

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

EUVD-2026-13247

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

PT-2026-26382

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to both 24.10.6 and 25.12.1, the jp get token function, which performs lexical analysis by breaking input expressions into tokens, contains a memory leak vulnerability when extracting string literals, field...

OpenWrt security vulnerabilities

OpenWrt is an open-source Linux operating system designed for embedded devices. Versions prior to OpenWrt 24.10.6 and 25.12.1 contained security vulnerabilities. These vulnerabilities were caused by a stack buffer overflow in the parsequestion function of the mdns daemon, which could lead to remo...

CVE-2026-30871: Stack-based Buffer Overflow

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

CVE-2026-30872: Stack-based Buffer Overflow

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

PT-2026-26450

Name of the Vulnerable Software and Affected Versions LuCI versions prior to 24.10.5 and 25.12.0 Description LuCI, the OpenWrt Configuration Interface, is affected by a stored Cross-Site Scripting XSS issue within the wireless scan modal. The system renders SSID values from scan results as raw HT...

OpenWrt security vulnerabilities

OpenWrt is an open-source Linux operating system designed for embedded devices. Versions of OpenWrt prior to 24.10.6 contained security vulnerabilities. These vulnerabilities were caused by a bypass of environment variable filtering in the hotplugcall function, which could lead to privilege...

OpenWrt LuCI Cross-Site Script Vulnerability

OpenWrt LuCI is a graphical configuration interface for OpenWRT, an open-source operating system. Versions of OpenWrt LuCI prior to 24.10.5 and 25.12.0 had a cross-site scripting vulnerability. This vulnerability stemmed from a storage-based cross-site scripting issue in the wireless scanning...

OpenWrt security vulnerabilities

OpenWrt is an open-source Linux operating system designed for embedded devices. Versions prior to OpenWrt 24.10.6 and 25.12.1 contained security vulnerabilities. These vulnerabilities were caused by a memory leak in the jpgettoken function, which could lead to resource exhaustion...

CVE-2026-30873: Missing Release of Memory after Effective Lifetime

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to both 24.10.6 and 25.12.1, the jpgettoken function, which performs lexical analysis by breaking input expressions into tokens, contains a memory leak vulnerability when extracting string literals, field...

OpenWrt security vulnerabilities

OpenWrt is an open-source Linux operating system designed for embedded devices. Versions prior to OpenWrt 24.10.6 and 25.12.1 contained security vulnerabilities. These vulnerabilities were caused by a stack buffer overflow in the matchipv6addresses function of the mdns daemon, which could lead to...

PT-2026-26381

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the match ipv6 addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa...

CVE-2026-32721: Improper Neutralization of Input During Web Page Generation

LuCI is the OpenWrt Configuration Interface. Versions prior to both 24.10.5 and 25.12.0, contain a stored XSS vulnerability in the wireless scan modal, where SSID values from scan results are rendered as raw HTML without any sanitization. The wireless.js file in the luci-mod-network package passe...

PT-2026-26380

Name of the Vulnerable Software and Affected Versions OpenWrt Project versions prior to 24.10.6 and versions prior to 25.12.1 Description The OpenWrt Project, a Linux operating system for embedded devices, is affected by a Stack-based Buffer Overflow in the mdns daemon. The issue resides within t...

CVE-2026-30874: Partial String Comparison

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6, a vulnerability in the hotplugcall function allows an attacker to bypass environment variable filtering and inject an arbitrary PATH variable, potentially leading to privilege escalation. The...

PT-2026-26432

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6, a vulnerability in the hotplug call function allows an attacker to bypass environment variable filtering and inject an arbitrary PATH variable, potentially leading to privilege escalation. The...

PT-2026-25912

Name of the Vulnerable Software and Affected Versions GL-iNet Comet GL-RM1 KVM versions prior to 1.8.2 Description The GL-iNet Comet GL-RM1 KVM does not properly confirm the legitimacy of firmware files during upload. This allows an attacker positioned between the user and the update server, or o...