CVEvulnerability
CVE-2022-20703
CISA Known Exploited Vulnerability
Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability — Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers
A vulnerability 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, or cause a denial of service (DoS).
- Added to KEV
- 2022-03-03
- Remediation due
- 2022-03-17
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2022-20703
- Status
- Analyzed
- Published
- 2022-02-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 8.0 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-121, CWE-295
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.
Affected configurations
• 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)
• cisco rv160 firmware (<= 1.0.01.05)
• cisco rv160w firmware (<= 1.0.01.05)
• cisco rv260 firmware (<= 1.0.01.05)
• cisco rv260p firmware (<= 1.0.01.05)
• cisco rv260w firmware (<= 1.0.01.05)
Related
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-408/ Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-413/ Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-408/ Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-413/ Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-20703 US Government Resource