CVE-2021-1251 describes multiple vulnerabilities in the Link Layer Discovery Protocol (LLDP) implementation of Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker can exploit these flaws to execute arbitrary code, leak system memory, or cause a device reload, leading to a denial of service (DoS) condition. The vulnerability has a CVSS score of 7.4 (High), indicating a low attack complexity and requiring the attacker to be Layer 2 adjacent to the affected device. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.1.14CPE matchmatch criteria | cpe:2.3:o:cisco:rv132w_firmware:1.0.1.14:*:*:*:*:*:*:* | ||
1.0.3.20CPE matchmatch criteria | cpe:2.3:o:cisco:rv132w_firmware:1.0.3.20:*:*:*:*:*:*:* | ||
1.0.1.14CPE matchmatch criteria | cpe:2.3:o:cisco:rv134w_firmware:1.0.1.14:*:*:*:*:*:*:* | ||
1.0.3.20CPE matchmatch criteria | cpe:2.3:o:cisco:rv134w_firmware:1.0.3.20:*:*:*:*:*:*:* | ||
1.0.1.14CPE matchmatch criteria | cpe:2.3:o:cisco:rv160_firmware:1.0.1.14:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.