Weaknesses of type CWE-121

3,825 results

Estouro de buffer na pilha

Ocorre quando um programa escreve mais dados em um buffer alocado na pilha do que ele pode conter, sobrescrevendo dados adjacentes (variáveis, endereços de retorno, ponteiros). Um atacante pode explorar isso para executar código arbitrário ou causar travamento.

Example

Um programa lê uma string do usuário com gets() ou strcpy() sem validar o tamanho, copiando 500 bytes para um buffer de 64 bytes. O excesso sobrescreve o endereço de retorno da função, permitindo desviar a execução para código malicioso.

How to mitigate

Use funções seguras (strncpy, fgets, snprintf) que aceitam limite de bytes; implemente verificações de limites explícitas no código; ative proteções do compilador/SO (stack canaries, DEP/NX, ASLR); use linguagens com verificação automática de limites ou ferramentas de análise estática.

CVE-2024-0926MEDIUMTenda AC10U formWifiWpsOOB stack-based overflowEPSS 0.9%CVE-2022-28305HIGHThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.02.034.EPSS 0.9%CVE-2022-28306HIGHThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.02.034.EPSS 0.9%CVE-2022-28315HIGHThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.02.34. EPSS 0.9%CVE-2023-7213MEDIUMTotolink N350RT HTTP POST Request main stack-based overflowEPSS 0.9%CVE-2023-7214MEDIUMTotolink N350RT HTTP POST Request main stack-based overflowEPSS 0.9%CVE-2023-4264HIGHPotential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystemEPSS 0.9%CVE-2025-3161HIGHTenda AC10 ShutdownSetAdd stack-based overflowEPSS 0.9%CVE-2023-41225MEDIUMD-Link DIR-3040 prog.cgi SetIPv6PppoeSettings Stack-Based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.9%CVE-2023-41228MEDIUMD-Link DIR-3040 prog.cgi SetUsersSettings Stack-Based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.9%CVE-2023-41220MEDIUMD-Link DIR-3040 prog.cgi SetSysEmailSettings Stack-Based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.9%CVE-2023-41219MEDIUMD-Link DIR-3040 prog.cgi SetWanSettings Stack-Based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.9%CVE-2023-41227MEDIUMD-Link DIR-3040 prog.cgi SetTriggerPPPoEValidate Stack-Based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.9%CVE-2023-41226MEDIUMD-Link DIR-3040 prog.cgi SetMyDLinkRegistration Stack-Based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.9%CVE-2024-10283HIGHTenda RX9/RX9 Pro SetNetControlList sub_4337EC stack-based overflowEPSS 0.9%CVE-2023-41216MEDIUMD-Link DIR-3040 prog.cgi SetDynamicDNSSettings Stack-Based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.9%CVE-2024-34942HIGHTenda FH1206 V1.2.0.8(8155)_EN was discovered to contain a stack-based buffer overflow vulnerability via the funcpara1 parameter at ip/goforEPSS 0.9%CVE-2025-13189HIGHD-Link DIR-816L gena.cgi genacgi_main stack-based overflowEPSS 0.9%CVE-2025-13191HIGHD-Link DIR-816L soap.cgi soapcgi_main stack-based overflowEPSS 0.9%CVE-2022-28304HIGHThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.02.034.EPSS 0.9%