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CVE-2022-20705

82
FAUCET Score

CVE-2022-20705 is a critical vulnerability affecting Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers, encompassing multiple flaws that allow for arbitrary code execution, privilege escalation, command injection, authentication bypass, and denial of service. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network without authentication or user interaction, leading to complete compromise of affected devices. While not listed in CISA KEV, public exploit modules are available (e.g., Metasploit), and it has garnered significant community discussion and media coverage, indicating a high likelihood of exploitation.

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:*:*:*:*:*:*:*:*
<= 1.0.01.05CPE matchmatch criteria
cpe:2.3:o:cisco:rv160_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
80.03%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Cisco RV Series Authentication Bypass and Command Injection · Nov 2, 2021
This CVE's current EPSS score of 0.8003 is in the 98th percentile among its peer group of 36,833 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

packetstormsecurity.com / files/170988/Cisco-RV-Series-Authentication-Bypass-Command-Injection.html
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-22-409
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-22-410
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-22-415
Third Party AdvisoryVDB Entry