CVE-2016-1421 describes a critical vulnerability in the web application of Cisco IP Phones, including the 8800 series firmware. This flaw, a buffer overflow (CWE-119), allows an unauthenticated, remote attacker to execute code with root privileges or trigger a denial of service by sending a specially crafted HTTP request. With a CVSS v3 score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, leading to high availability impact. Despite its severity, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), it is not listed in CISA's KEV catalog, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.0\(1\)CPE matchmatch criteria | cpe:2.3:o:cisco:ip_phone_8800_series_firmware:11.0\(1\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Cisco IP Phones Web Server Multiple Vulnerabilities
Apr 15, 2020Cisco IP Phones Web Server Multiple Vulnerabilities
Apr 15, 2020Cisco IP Phones Web Server Multiple Vulnerabilities
Apr 15, 2020Cisco IP Phones Web Server Multiple Vulnerabilities
Apr 15, 2020Cisco IP Phones Web Server Multiple Vulnerabilities
Apr 15, 2020Cisco IP Phones Web Server Multiple Vulnerabilities
Apr 15, 2020