WebSSH for iOS 14.16.10 - 'mashREPL' Denial of Service | Advisories

Advisories

WebSSH for iOS 14.16.10 - 'mashREPL' Denial of Service

severity: medium
date: January 16, 2026
Affecting: WebSSH for iOS 14.16.10
CVE: CVE-2021-47827
CWE: CWE-1284 Improper Validation of Specified Quantity in Input
CVSS: 4.6
CVSS V4 Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
References: ExploitDB-49883
WebSSH iOS App Store Page
Credit: Luis Martinez
Description: WebSSH for iOS 14.16.10 contains a denial of service vulnerability in the mashREPL tool that allows attackers to crash the application by pasting malformed input. Attackers can trigger the vulnerability by copying a 300-character buffer of repeated 'A' characters into the mashREPL input field, causing the application to crash.