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CVE-2022-20749

31
FAUCET Score

CVE-2022-20749 encompasses multiple critical vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers. These vulnerabilities, rated 9.8 CRITICAL, allow unauthenticated attackers to execute arbitrary code or commands, elevate privileges, bypass security controls, and cause denial of service. While there is no confirmed active exploitation, the high community discussion and media coverage, along with the existence of public proof-of-concept code, indicate significant interest and potential for future attacks. Organizations using affected devices should prioritize patching to mitigate these severe risks.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.03.24CPE matchmatch criteria
cpe:2.3:o:cisco:rv340_firmware:*:*:*:*:*:*:*:*
<= 1.0.03.24CPE matchmatch criteria
cpe:2.3:o:cisco:rv340w_firmware:*:*:*:*:*:*:*:*
<= 1.0.03.24CPE matchmatch criteria
cpe:2.3:o:cisco:rv345_firmware:*:*:*:*:*:*:*:*
<= 1.0.03.24CPE matchmatch criteria
cpe:2.3:o:cisco:rv345p_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.01%
Probability of exploitation in next 30 days
EPSS Percentile
89.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0401 is in the 83rd percentile among its peer group of 36,897 CVEs.

Social Chatter

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.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
Vendor Advisory