CVE-2011-2543

Cisco Telepresence C Series < TC4.2.0 - Authenticated Buffer Overflow via cuil getxml Location Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-2543. PoCs published by Sense of Security.

AI-analyzed exploit summary This advisory details multiple vulnerabilities in Cisco TelePresence Series, including HTML injection (CVE-2011-2544), memory corruption (CVE-2011-2543), and SIP DoS (CVE-2011-2577). It provides technical analysis, proof-of-concept examples, and crash logs.

Description

Buffer overflow in the cuil component in Cisco Telepresence System Integrator C Series 4.x before TC4.2.0 allows remote authenticated users to cause a denial of service (endpoint reboot or process crash) or possibly execute arbitrary code via a long location parameter to the getxml program, aka Bug ID CSCtq46496.

Exploits (1)

exploitdb WRITEUP
by Sense of Security · textwebappshardware
https://www.exploit-db.com/exploits/17871

This advisory details multiple vulnerabilities in Cisco TelePresence Series, including HTML injection (CVE-2011-2544), memory corruption (CVE-2011-2543), and SIP DoS (CVE-2011-2577). It provides technical analysis, proof-of-concept examples, and crash logs.

Classification
Writeup 100%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Cisco TelePresence Series (C <= TC4.1.2, MXP <= F9.1)
Auth required
Prerequisites: Network access to the target device · Authenticated session for HTML injection
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (8)

Core 8
Core References
Exploit vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1026072
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/49670
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/8393
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/46057
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/46109
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/519698/100/0/threaded
Exploit exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/17871
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/69907

Scores

EPSS 0.1176
EPSS Percentile 95.5%

Details

CWE
CWE-119
Status published
Products (9)
cisco/telepresence_c_series_software tc4.0.0
cisco/telepresence_c_series_software tc4.0.1
cisco/telepresence_c_series_software tc4.0.4
cisco/telepresence_c_series_software tc4.1.0
cisco/telepresence_c_series_software tc4.1.1
cisco/telepresence_c_series_software tc4.1.2
cisco/telepresence_codec_c40
cisco/telepresence_codec_c60
cisco/telepresence_codec_c90
Published Sep 23, 2011
Tracked Since Feb 18, 2026