Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : MiniUPnPd vulnerability (USN-8731-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8731-1 advisory. It was discovered that MiniUPnPd contained an integer underflow vulnerability in SOAPAction header parsing. A remo...

USN-8731-1 miniupnpd vulnerability

It was discovered that MiniUPnPd contained an integer underflow vulnerability in SOAPAction header parsing. A remote attacker could use this issue to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote...

USN-8731-1: MiniUPnPd vulnerability

It was discovered that MiniUPnPd contained an integer underflow vulnerability in SOAPAction header parsing. A remote attacker could use this issue to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote...

CVE-2026-36611

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 returns 128 bytes of uninitialized buffer when receiving POST requests without SOAPAction header on UPnP port 1900, exposing internal memory to unauthenticated adjacent network attackers...

CVE-2026-36611

The Mercusys AC12G (EU) V1 router, running firmware AC12G(EU)_V1_200909 , is vulnerable to an information disclosure flaw. The device returns 128 bytes of uninitialized buffer content when it receives POST requests lacking a SOAPAction header on the UPnP port 1900 . This allows unauthenticated at...

CVE-2026-36611

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 returns 128 bytes of uninitialized buffer when receiving POST requests without SOAPAction header on UPnP port 1900, exposing internal memory to unauthenticated adjacent network attackers...

CVE-2026-5720

A flaw was found in miniupnpd. Remote attackers can exploit an integer underflow vulnerability during the parsing of the SOAPAction header by sending a specially crafted malformed header that includes a single quote. This improper length validation can lead to an out-of-bounds memory read,...

EUVD-2026-23565

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

Linux Distros Unpatched Vulnerability : CVE-2026-5720

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information...

Integer Underflow (Wrap or Wraparound)

Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound in the ParseHttpHeaders process. An attacker can cause the application to read memory outside the bounds of the allocated HTTP request buffer by sending a specially crafted SOAPAction header containi...

DEBIAN-CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720

The CVE-2026-5720 issue affects the MiniUPnP daemon (miniupnpd). The vulnerability is an integer underflow in SOAPAction header parsing within ParseHttpHeaders(), where improper length validation can cause an underflow to a large unsigned value and an out-of-bounds memchr() read. This can lead to...

CVE-2026-5720 miniupnpd Integer Underflow SOAPAction Header Parsing

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720: Integer Underflow (Wrap or Wraparound)

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2025-63932

D-Link Router DIR-868L A1 FW106KRb01.bin has an unauthenticated remote code execution vulnerability in the cgibin binary. The HNAP service provided by cgibin does not filter the HTTP SOAPAction header field. The unauthenticated remote attacker can execute the shell command...

D-Link Router 安全漏洞

D-Link Router is an application WIFI router from China AUO D-Link. It provides the function of connecting to the network. A security vulnerability exists in D-Link Router that stems from the cgibin binary not filtering the HTTP SOAPAction header field, which could lead to remote code execution...

CVE-2025-63932: Improper Neutralization of Special Elements used in an OS Command

D-Link Router DIR-868L A1 FW106KRb01.bin has an unauthenticated remote code execution vulnerability in the cgibin binary. The HNAP service provided by cgibin does not filter the HTTP SOAPAction header field. The unauthenticated remote attacker can execute the shell command...