Cyber Resilience

CVE-2022-20712

Critical

Published: 10 February 2022

Published
10 February 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0218 84.7th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-20712 is a critical-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Cisco Rv340 Firmware. Its CVSS base score is 10.0 (Critical).

Operationally, ranked in the top 15.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned…

more

software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
rv340 firmware
≤ 1.0.03.24
cisco
rv340w firmware
≤ 1.0.03.24
cisco
rv345 firmware
≤ 1.0.03.24
cisco
rv345p firmware
≤ 1.0.03.24

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References