CVE-2022-20749 — Stack-based Buffer Overflow in Cisco Rv340 Firmware
CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds WriteCWE-269 — Improper Privilege ManagementCWE-285 — Improper AuthorizationCWE-295 — Improper Certificate ValidationCWE-347 — Improper Verification of Cryptographic SignatureCWE-362 — Race ConditionCWE-434 — Unrestricted File UploadCWE-552 — Files or Directories Accessible to External PartiesCWE-754 — Improper Check for Unusual or Exceptional ConditionsCWE-77 — Command InjectionCWE-785 — Use of Path Manipulation Function without Maximum-sized Buffer4 documents4 sources
Severity
9.8CRITICALNVD
CNA10.0
EPSS
2.4%
top 14.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 10
Latest updateFeb 11
Description
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 software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9