CVE-2021-1602 is a critical vulnerability affecting Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers, stemming from insufficient user input validation in their web-based management interface. This flaw allows an unauthenticated, remote attacker to execute arbitrary commands with root-level privileges on the underlying operating system by sending a crafted request. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation (KEV: No) or public exploit code (Metasploit, Nuclei, ExploitDB: None), the vulnerability has garnered significant community discussion and media coverage, indicating high awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.01.04CPE matchmatch criteria | cpe:2.3:o:cisco:small_business_rv_series_router_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.