curl: MQTT state machine confusion: PINGRESP/DISCONNECT with non-zero remaining_length dispatches to stale nextstate

Summary: In lib/mqtt.c, the state machine in mqttdoing lines 894-911 in curl 8.20.0 does not validate that PINGRESP 0xD0 and DISCONNECT 0xE0 packets have remaininglength == 0 as required by MQTT 3.1.1 spec sections 3.13.1 and 3.14.1. A malicious broker can send a PINGRESP fixed header with non-ze...

CVE-2026-4172

A vulnerability was detected in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /pingresponse.cgi of the component HTTP POST Request Handler. The manipulation of the argument pingipaddr results in stack-based buffer overflow. The attack may be performed from remote. The...

EUVD-2026-12218

A vulnerability was detected in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /pingresponse.cgi of the component HTTP POST Request Handler. The manipulation of the argument pingipaddr results in stack-based buffer overflow. The attack may be performed from remote. The...

CVE-2026-4172 TRENDnet TEW-632BRP HTTP POST Request ping_response.cgi stack-based overflow

A vulnerability was detected in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /pingresponse.cgi of the component HTTP POST Request Handler. The manipulation of the argument pingipaddr results in stack-based buffer overflow. The attack may be performed from remote. The...

CVE-2026-4172 TRENDnet TEW-632BRP HTTP POST Request ping_response.cgi stack-based overflow

A vulnerability was detected in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /pingresponse.cgi of the component HTTP POST Request Handler. The manipulation of the argument pingipaddr results in stack-based buffer overflow. The attack may be performed from remote. The...

CVE-2026-4172

The CVE describes a stack-based overflow in TRENDnet TEW-632BRP (1.010B32) within the HTTP POST Request Handler, specifically the /ping_response.cgi file. The issue stems from manipulating the ping_ipaddr argument in this handler, enabling a remote exploit. Public exploitation exists according to...

EUVD-2025-24673

Malicious code in bioql PyPI...

CVE-2025-8949

A vulnerability was identified in D-Link DIR-825 2.10. Affected by this vulnerability is the function getpingappstat of the file pingresponse.cgi of the component httpd. The manipulation of the argument pingipaddr leads to stack-based buffer overflow. The attack can be launched remotely. The...

CVE-2025-8949

A vulnerability was identified in D-Link DIR-825 2.10. Affected by this vulnerability is the function getpingappstat of the file pingresponse.cgi of the component httpd. The manipulation of the argument pingipaddr leads to stack-based buffer overflow. The attack can be launched remotely. The...

D-Link DIR-825 安全漏洞

The D-Link DIR-825 is a router from China-based AUO D-Link. The D-Link DIR-825 suffers from a buffer overflow vulnerability that originates from the incorrect operation of the parameter pingipaddr in the file pingresponse.cgi, which can be exploited by an attacker to crash the system by corruptin...

CVE-2021-37388

A buffer overflow in D-Link DIR-615 C2 3.03WW. The pingipaddr parameter in pingresponse.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution...

CVE-2019-13562

D-Link DIR-655 C devices before 3.02B05 BETA03 allow XSS, as demonstrated by the /www/pingresponse.cgi pingipaddr parameter, the /www/ping6response.cgi ping6ipaddr parameter, and the /www/applysec.cgi htmlresponsereturnpage parameter...

CVE-2021-37388

A buffer overflow in D-Link DIR-615 C2 3.03WW. The pingipaddr parameter in pingresponse.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution...

Forerunner - Fast And Extensible Network Scanning Library Featuring Multithreading, Ping Probing, And Scan Fetchers

The Forerunner library is a fast, lightweight, and extensible networking library created to aid in the development of robust network centric applications such as: IP Scanners, Port Knockers, Clients, Servers, etc. In it's current state, the Forerunner library is able to both synchronously and...

irc-unrealircd-backdoor NSE Script

Checks if an IRC server is backdoored by running a time-based command ping and checking how long it takes to respond. The irc-unrealircd-backdoor.command script argument can be used to run an arbitrary command on the remote system. Because of the nature of this vulnerability the output is never...

CVE-2002-2156

Buffer overflow in Trillian 0.73 allows remote IRC servers to execute arbitrary code via a long PING response...

CVE-2002-2156

Buffer overflow in Trillian 0.73 allows remote IRC servers to execute arbitrary code via a long PING response...