PewSWITCH

PewSWITCH A FreeSWITCH specific scanning and exploitation toolkit for CVE-2021-37624 and CVE-2021-41157. Related blog: https://0xinfection.github.io/posts/analyzing-freeswitch-vulns/ Usage The help statement of the tool is as below: $ ./pewswitch --help . / |\ / /| // / / / - |/|/ /\ | |/|/ / / /...

freeswitch_rce

version: !1https://assets.kitploit.com/production/public/readmes/26769/65a2d4b4b9b040b96740cd66aee81ea...

FreeSWITCH - /api/system RCE Detection (CVE-2018-19911)

Detects CVE-2018-19911 by requesting /api/system/?id and related paths and looking for uid= in the response. !/usr/bin/env python3 -- coding: utf-8 -- """FreeSWITCH unauthenticated /api/system command execution CVE-2018-19911.""" import re from kittysploit import from lib.protocols.http.httpclien...

FreeSWITCH - /api/system Command Execution (CVE-2018-19911)

Exploits CVE-2018-19911 by passing OS commands to /api/system/?. Opens an interactive execute session. !/usr/bin/env python3 -- coding: utf-8 -- """FreeSWITCH /api/system RCE CVE-2018-19911 — opens execute session.""" import re from urllib.parse import quote from kittysploit import from...

CVE-2026-49843

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, modverto's JSON-RPC handler bound the connection to the client-supplied sessid on the fir...

CVE-2026-49842

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, modverto's WebSocket frame loop intercepts a -prefixed speed-test protocol SPU / SPB / SP...

CVE-2026-49840

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, eslrecvevent parses Content-Length with atol and passes the result straight to malloclen ...

CVE-2026-49475

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, a STUN packet whose declared attribute length is shorter than the structure the parser...

CVE-2026-45771

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH's bundled XML parser expands nested declarations without a depth or count boun...

CVE-2026-49843

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, modverto's JSON-RPC handler bound the connection to the client-supplied sessid on the fir...

CVE-2026-49847

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, a single unauthenticated WebSocket frame containing a deeply nested JSON document crashes...

CVE-2026-49472

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH includes a vulnerable function, PREFIXprologTok, in...

CVE-2026-49848 FreeSWITCH: Pre-authentication `userVariables` injection in `mod_verto`

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, modverto's checkauth userauth branch wrote request-supplied userVariables into the...

EUVD-2026-35495

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, modverto's checkauth userauth branch wrote request-supplied userVariables into the...

CVE-2026-49848

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, modverto's checkauth userauth branch wrote request-supplied userVariables into the...

CVE-2026-49847 FreeSWITCH: Stack overflow in bundled cJSON parser via deeply nested JSON

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, a single unauthenticated WebSocket frame containing a deeply nested JSON document crashes...

CVE-2026-49847 FreeSWITCH: Stack overflow in bundled cJSON parser via deeply nested JSON

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, a single unauthenticated WebSocket frame containing a deeply nested JSON document crashes...

EUVD-2026-35493

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, a single unauthenticated WebSocket frame containing a deeply nested JSON document crashes...

CVE-2026-49847

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, a single unauthenticated WebSocket frame containing a deeply nested JSON document crashes...

CVE-2026-49843

FreeSWITCH vulnerability CVE-2026-49843 affects mod_verto before version 1.11.1. The JSON-RPC handler binds the client-supplied sessid on the first frame prior to authentication, inserting the connection into the global session hash and evicting any prior occupant on key collision (sending verto....